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The figure below is not drawn to scale. Find correct to 1 decimal place; (a) Length PQ. (b) Angle ABC

The figure below is not drawn to scale.

Find correct to 1 decimal place;
(a) Length PQ.
(b) Angle ABC

Answers

a)r² = 7.6² + 4.8² – 2x7.6 x 4.8 cos
80
= 57.76 + 23.04 – 12.67
= 68.13
R= 68.13
= 8.3 cm.

Kavungya answered the question on November 18, 2019 at 12:17

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