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3 votes
Calculate the length of edge AD in the triangle-

based pyramid below.
Give your answer to 2 d.p.

Calculate the length of edge AD in the triangle- based pyramid below. Give your answer-example-1
User Akhil K C
by
7.9k points

1 Answer

3 votes

Answer:

Set your calculator to Degree mode.

tan(39°) = 46/DB

DB = 46/tan(39°)

sin(44°) = (46/tan(39°))/AD

AD = 46/(tan(39°)sin(44°)) = 81.77 cm

User Eduard Moraru
by
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