Answer:
Step-by-step explanation:
Answer:
2x+3x=150 ( sum of opposite interior angle of triangle is equal to the exterior angle)
5x=150
x=150/5
x=30
Answer: y2/4 - x2/5
Step-by-step explanation:
Answer:
148 is the surface area
Step-by-step explanation:
12 x 4 = 48
8 x 4 = 32
17 x 4 = 68
48 + 32 + 68 = 148