Question

In △PQR, find the measure of ∡P.

Triangle PQR
Where angle Q is a right angle. QR measures 33 point 8. PR measures 57 point 6. Measure of angle P is unknown.

30.4 degrees

35.9 degrees

59.6 degrees

54.1 degrees

Answer 1

http://www.mathsisfun.com/algebra/trig-solving-sas-triangles.html

This should help.

Answer 2

I think I chose the wrong postulate. This website might be better. It is difficult to understand this problem without a picture.

http://www.mathsisfun.com/algebra/trig-solving-ssa-triangles.html

Answer 3

Hint:

sine = opposite/hypotenuse

sin(P) = 33.8/57.6


The goal is to solve for P

Answer 4

Angle P= sin^-1(33.8/57.6)

Answer 5

Here's the long way

Answer 6

Here's the shorter way

Answer 7

so is it 54.1?

Answer 8

No

Answer 9

...

Answer 10

ok.. thank you very much!