Question

What is the value of y?
ОА. 73°
ОВ. 549
Ос. 63°
Op. 1269

Answer 1

C

Explanation:

The sum of the 3 angles in a triangle = 180°

Sum the 3 given angles and equate to 180

y + y + 54 = 180

2y + 54 = 180 ( subtract 54 from both sides )

2y = 126 ( divide both sides by 2 )

y = 63° → C