Answer: 254.34
Step-by-step explanation:
3.14 • r^2
Radius = 9
9 • 9 = 81
81•3.14 = 254.34
D. (4,1) hope this helps :) btw i just took that same quiz lol
Length of base of the top triangle = 23 inches
Length of height of the top triangle = 47 inches
Area of the top triangle :





Thus, area of the top triangle = 540.5 sq.inches
Length of base of the bottom triangle = 47 inches
Length of height of the bottom triangle = 46 inches
Area of the bottom triangle :




Area of the bottom triangle = 1081 sq.inches
Area of the total figure :
= Area of top triangle + Area of bottom triangle


Therefore, the area of the figure = 1621.5 sq.inches
Answer:
Step-by-step explanation:
x + 300 =369
x = 69
subtract 300 on both sides
Answer:
Matt made the error
Step-by-step explanation:
Matt used the diameter of the sphere instead of the radius.