54 degrees is the measure of its compliment since complentary angles add up to 90 degrees.
1] 0.23
2] both are same
3] 20/100 *80= 16
Answer:
33b - 8
Step-by-step explanation:
You solve for the perimeter like you would for any other shape by adding all the sides
The perimeter is side A + side B + side C.
so it's 9b+8 + 12b-8 + 12b-8
Add all the like terms
9b + 12 b + 12b = 33b
8 - 8 - 8= -8
= 33b -8