The triangle has a right angle at the middle letter. In AABC, Ĉ = 40°, BC = 4 cm. Find AB.

Ivan Fork asked Oct 28, 2022

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1 vote

The triangle has a right angle at the middle letter.
In AABC, Ĉ = 40°, BC = 4 cm. Find AB.

Ivan Fork asked Oct 28, 2022

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20 votes

Tan 40 degree= opposite (ab)/adjacent (4)
.839=ab/4
Ab=3.36cm

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