Geometry Chapter 5
Mid Unit Review
Name ____________________________
12 in
67
o
12.5 in
12 in
1a) Find the area of the regular heptagon.
2a) Find the area of the circle.
1b) Find the area of the shaded region of
the heptagon.
2b) Find the area of the shaded region of
the circle.
1c) The heptagon is scaled by a factor of 4.
What is the area of the shaded region of
the new heptagon?
2c) The circle is scaled by a factor of 4.
What is the area of the shaded region
of the new circle?
Geometry Chapter 5
Mid Unit Review
Name ____________________________
12 in
67
o
A
12.5 in
B
B
12 in
A
3a) Find the perimeter of the regular heptagon.
4a) Find the circumference of the circle.
3b) Find the length from B to A
4b) Find the length of AB
CHALLENGE:
Find the area of the SHADED region
3
3
3
3
3
3
3
3
Geometry Chapter 5
A couple of other interesting problems
Name _____________________________
5.) A canister contains three tennis balls each with a diameter of 2.5 in. Which distance do you think
is greater, the height of the canister or the circumference of the canister? Guess the answer, and
then do the calculations to see if your guess is correct.
6.) If the length of AB is 4π. Find mAOB .
A
9
B
O