Name: ________________________________________
Date___________________________________________
Geometry
Period:_____
Chapter 11 Review
HW: THIS WORKSHEET & PROBLEMS FROM BOOK:
P. 780 #8, 13, 14, 24-26
SHOW ALL WORK TO RECEIVE CREDIT.
Find the area of the shaded region. Round answers to the
nearest tenth, if necessary.
1.
2.
3.
Find the indicated measure. Round answers to the
nearest tenth.
4. Length of AB
5. Circumference of
The area of D is 113.1 square meters. The area of sector
ADB is 34.6 square meters. Find the indicated measure.
6. Radius of
D
7. Circumference of
8. m AB
9. Length of ACB
D
L
Name: ________________________________________
Date___________________________________________
Geometry
Period:_____
Find the area of the shaded region. Round answers to the
nearest tenth, if necessary.
10.
11.
Find the probability that a randomly chosen point in the figure
lies in the shaded region.
12.
13.
14. What is the area of a regular 24-gon with a side length of 20 cm?
15. An equilateral triangle is inscribed in a circle with a radius of 13 inches. Find the area of the
triangle.
FORMULAS WITH PROOFS
• Area of Triangle
• Area of Parallelogram
• Area of Kite
• Area of Rhombus (using diagonals)
• Area of Trapezoid
• Area of Regular Polygon (using apothem and Perimeter)
Name: ________________________________________
Date___________________________________________
Answers from Book
8. Base = 14 inches
Height = 21 inches
13. ratio of perimeters
10
13
2
100
⎛ 10 ⎞
ratio of areas ⎜ ⎟ =
⎝ 13 ⎠
169
missing area = 152.21 cm2
12
7
5
≈ 0.1388 ≈ 13.89%
24.
36
10
≈ 0.7609 ≈ 76.09%
25.
10 + π
4 +π
≈ 0.8927 ≈ 89.27%
26.
8
14.
Answers from Worksheet
1. 141.7 square units
2. 98.5 square units
3. 13.6 square units 4. 9.8 ft
5. 69.4 cm 6. 6 m 7. 37.7 m 8. 110°
9. 26.2 m
10. 169.6 ft2
11. 240.5 m2
12.
≈ 34.1%
14. 18439.73 cm2
15. 219.5 in2
13.
≈ 30.8%
Geometry
Period:_____