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ABCDEFGH is a cube of 12cm. (a) Find: (i) AC (ii) EC (b) The angle between EC and the plane ABCD. (c) The angle between the plane...

ABCDEFGH is a cube of 12cm.

(a) Find:
(i) AC
(ii) EC
(b) The angle between EC and the plane ABCD.
(c) The angle between the plane EBCH and BCGF

Answers

Kavungya answered the question on November 15, 2019 at 08:31

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