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Area of Polygons (Rhombi/Kites & Reg)

Total questions: 10

Worksheet time: 59mins

Name
Class
Date
1.

Find the area

a)

96 cm2

b)

48 cm2

c)

36 cm2

d)

48 cm

2.

Which is the apothem?

a)

AD

b)

AB

c)

CD

d)

CB

3.

Find the area of the shaded region.

(Hint: A = 1/2aP & A = 1/2bh)

a)

13.5

b)

54

c)

67.5

d)

13.5

4.

Find m<OHM

a)

30°

b)

60°

c)

90°

d)

45°

5.

Find the area of a regular dodecagon (12 sides! ) with a perimeter of 144 cm.

(Hint: Draw it out so you see the necessary triangle)

a)

1247 cm2

b)

1523 cm2

c)

1612.2 cm2

d)

1845 cm2

6.

What is the APOTHEM of this triangle?

a)

6 in

b)

3 in

c)

36 in

d)

18 in

7.

find the area

a)

19.5 m2

b)

78 m2

c)

39 m2

d)

27 m2

8.

Find the area of the rhombus. (JUST PUT THE NUMBER PART OF THE ANSWER.)

9.

The area of the kite is 104 ft2. Find the value of x (which is only half of the diagonal). Enter your answer rounded to the tenth, without units.

Use A =  12d1d2\frac{1}{2}d_1d_2  

(a)  

10.

What is the area of the kite? Remember to find the diagonals first. A =  12d1d2\frac{1}{2}d_1d_2  

a)

17 in

b)

136 in2

c)

272 in2

d)

144 in2