Question

How do you solve the right triangle given A = 61 deg 00'; b = 39.2cm?

Answer 1

`a = 70.7 cm; B = 29^@`

Explanation:

All angles of a triangle sum to `180^@`. This means

`B = 180 - 90 - 61 = 29^@`

`(tan 61^@)/1 = a/39.2`

Using the cross product: `a = 39.2 tan 61^@ ~~70.719` cm