Answer:
A
Step-by-step explanation:
Answer:
72 degrees.
Step-by-step explanation:
If the angle is x degrees its complement is 90-x degrees and it's supplement is 180-x degrees.
4(90-x) = 2/3(180 - x)
360 - 4x = 120 - 2/3 x
360 - 120 = -2/3 x + 4x
240 = -2/3 + 12/3 x
240 = 10/3 x
x = 240 * 3/10
x = 72 degrees.
They are also perpendicular to the top line of the roof
Answer:
0.36
Step-by-step explanation:
0.09 × -8 is -0.72, and that multiplied by -0.5 is 0.36
