A. WRITTEN TEST
Find the area of the given circle. Use the formula:
[tex]\pi {}^{2} \: use \: the \: formula \: \pi = 3.14[/tex]
1. r = 4cm
a =____
2. r = 6cm
a =____
3. r = 10.5cm
a =____
4. r = 5.5cm
a =____
5. d = 9cm
a =____
Find the area of the given circle. Use the formula:
[tex]\pi {}^{2} \: use \: the \: formula \: \pi = 3.14[/tex]
1. r = 4cm
a =____
2. r = 6cm
a =____
3. r = 10.5cm
a =____
4. r = 5.5cm
a =____
5. d = 9cm
a =____
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Answer:
1. A =
A = 3.14 x (4cm)2
A = 3.14 x 16 cm2
A = 50.24 cm2
2. A =
A = 3.14 x (6cm)2
A = 3.14 x 36 cm2
A = 113.04 cm2
3. A =
A = 3.14 x (10.5cm)2
A = 3.14 x 110.25 cm2
A = 346.185 cm2
4. A =
A = 3.14 x (5.5cm)2
A = 3.14 x 30.25 cm2
A = 94.985 cm2
5. A =
A = 3.14 x (9cm)2
A = 3.14 x 81 cm2
A = 254.34 cm2
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