Question

Complete the statements to find the measurements of ∠a and ∠b .

Answer 1

<a = 60

< b = 50

Explanation:

<a + 120 = 180 since they form a straight line

<a = 180-120

<a = 60

<b+ <a+70 =180 since they form a triangle

<b + 60+ 70 = 180

<b + 130 = 180

<b = 180-130

< b = 50