Answer: a=2.3
Step-by-step explanation:
divide both sides by 2
4.6 divided by 2 is 2.3
Answer:
132
Total Area = Area of top rectangle+Area of trapezoid w/ bases 7 and 19
= base*height+(average of bases)(height of trapezoid)
= 7*4+8*(7+19)/2
= 28+104
= 132
Answer:
15 and 12
Step-by-step explanation:
Set the two sides as x and y
y=x-3
P = 2w+2l
2x+2(x-3) = 54
4x-6=54
4x=60
x=15
y=12
Answer: 460.61
Step-by-step explanation: