Question

Which statement is true?

Answer 1

C

Explanation:

3x+4x-19+3x-1=180

10x=180+19

x = 199/10 = 19 (round to 20)

x = 20

<A= 20

<B= 80-19= 61

<C=. 59

The longest side is across from the largest angle. Draw the triangle ABC.

AC is across <C (the largest angle)