It's just a tiny bit sloppy. The 10.2 cm should be designated with a right angle too. I'll answer it that way.
Area = (L1 + L2)*h/2
L1 = 10.2
L2 = 12.2
h = 12.6
all givens are in cm.
Area = (10.2 + 12.2)*12.6/2
Area = 22.4 * 6.3
Area = 78.12 cm^2
Answer:
D.
Step-by-step explanation:
2=-2,3=-3
2²=-2²,3²=3²
3.962 to the nearest hundredth = 3.96
Answer:
D.
Step-by-step explanation:
The formula is Sum(n) = (n -2) 180.
You should have a calculator on your phone or pc.
2098800