Answer to Question #287720 in Trigonometry for austyn

Question

Use the diagram to find the angle measures of the triangle. Recall that the sum of the angle measures of a triangle is 180°

x=

(x+4)=

9x=

Answer 1

$x(x+4)+9x=180$

$11x=176$

$x=16°$

$(x+4)=20°$

$9x=144°$