<span>a = 1/2 x b x h
h = 3b
so 1/2 x b x 3b = (1/2)(3b^2) = 150
(150 x 2)/3 = b^2
100 = b^2
b = square root of 100 = 10
h = 3b = 3 x 10 = 30</span>
Answer: 90°
Step-by-step explanation:
Angle b is vertical to the angle that has a measure of 90°
Answer:
4x-6=4+4y+8=2
Step-by-step explanation:
Step-by-step explanation:
5x+3x=12+4
8x=16
x=16÷8
x=2