Question

Someone please help meeee !! I would really appreciate it

Answer 1

C = 90°

Explanation:

The interior angles in every triangle are equal to 180 degrees. So, this means that

`\alpha + \beta + \gamma \\ = 180 \: degrees`

Which means that A + B +C = 180 degrees

A=25°

B = 65°

C =?

C = 180° - (A + B)

C = 180° - (25° +65°)

C = 180° - 90°

C = 90°

Answer 2

cos 25° = X/11

and

sin 65° = X/11

is this good enough or do you need more workings?