Linear scale factor =25
The area scale factor =625
Area of house plan = 40 x 20 cm^2
Hence actual area of the house = 625 x 800
=500000cm^2
=50m^2
joseph rimiru answered the question on September 29, 2017 at 03:13
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Use binomial expansion to evaluate (1.02)^6 to 4 s. f
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Use binomial expansion to evaluate (1.02)^6 to 4 s. f
Date posted:
September 28, 2017
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Answers (1)
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September 27, 2017
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(Solved)
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Date posted:
September 27, 2017
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Date posted:
September 27, 2017
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If a : b = 3 : 4 and a : c = 2 : 5, find a : b : c. ...
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Date posted:
September 26, 2017
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(Solved)
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September 26, 2017
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(Solved)
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Date posted:
September 26, 2017
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Using the mathematical tables, find the tangent, sine and cosine of the following angles.
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(Solved)
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Date posted:
September 26, 2017
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Answers (1)
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Akinyi bought and beans from a wholesaler. She then mixed the maize and beans the ratio 4:3
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(Solved)
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Date posted:
September 25, 2017
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(Solved)
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Date posted:
September 25, 2017
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A number of two digits is such that four times the sum of its digits exceed the number by three. The number is increased by...
(Solved)
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Date posted:
September 23, 2017
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The volume Vcm^3 of an object is given by
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(Solved)
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Date posted:
September 23, 2017
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Answers (1)
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A perpendicular to the line -4x + 3 = 0 passes through the point ( 8, 5) Determine its equation.
(Solved)
A perpendicular to the line -4x + 3 = 0 passes through the point ( 8, 5) Determine its equation.
Date posted:
September 23, 2017
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Answers (1)
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Simplify
{(2x – 2)/(6x^2 – x – 12)}/{(x-1)/(2x-3)}
(Solved)
Simplify
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Date posted:
September 23, 2017
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Answers (1)
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The radius of a circle is 14cm. Find the length of arc and the area of the sector given that...
(Solved)
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Date posted:
September 23, 2017
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Answers (1)
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In a physics class the following formula was used to determine the value of f, 1/f = (1/u)+(1/v)....
(Solved)
In a physics class the following formula was used to determine the value of f, 1/f = (1/u)+(1/v).
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Date posted:
September 21, 2017
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John walks homes from school which is 3 km due east and 4km due north. find the shortest distance between his home and school.
(Solved)
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Date posted:
September 20, 2017
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Answers (1)
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Expand the following quadratic equations,using any of the quadratic identity: a) (2x+4)^2 b) (3x-5)^2 c) (5x-2)(5x+2)
(Solved)
Expand the following quadratic equations,using any of the quadratic identity: a) (2x+4)^2 b) (3x-5)^2 c) (5x-2)(5x+2)
Date posted:
September 20, 2017
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Answers (1)
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Solve the value of x in 2x+4(2x+7)=3(2x+4)
(Solved)
Solve the value of x
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Date posted:
September 16, 2017
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Answers (1)
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Dida is now three times as old as his brother and four times as old as his son. Eight years from now, Dida’s age...
(Solved)
Dida is now three times as old as his brother and four times as old as his son. Eight years from now, Dida’s age will be twelve years more than the sum of the ages of his brother and his son. Find Dida’s present age.
Date posted:
September 16, 2017
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Answers (1)