Answer:
The area is 63a
The perimeter is 39b
Step-by-step explanation:
Answer:
x = 45
Step-by-step explanation:
x and 3x are adjacent angles and the form a straight line. Their sum will be 180 degrees
x +3x = 180
Combine like terms
4x = 180
Divide each side by 4
4x/4 = 180/4
x =45
23.13819472p17573927572o2
<span>1.14×10^3 = 1.14 x 1,000 = 1, 140
answer
</span><span>1,140</span>