### Home > A2C > Chapter Ch10 > Lesson 10.2.4 > Problem 10-110

10-110.

Use the Pythagorean theorem to find the hypotenuse.

(hyp)^{2} = (2)^{2} + (1)^{2}

Be careful, θ is in the third quadrant, so sine is negative.

10-110.

Use the Pythagorean theorem to find the hypotenuse.

(hyp)^{2} = (2)^{2} + (1)^{2}

Be careful, θ is in the third quadrant, so sine is negative.