Answer:
The answer is Identity Property of Addition :D
1) Take the perimeter and divide it by 4.
2) Take the answer from step 1 and square it (multiply by itself)
Angle 8 because supplementary is two angles whose sum is 180°.
Answer:
Step-by-step explanation:
sin 45 = x/12
x = 12 sin 45
x = 6√(2)
answer is D
