1. In a given circle, the radius is 9cm. What is the diameter?
a. 18m
b. 18cm
c. 4.5m
d. 4.5cm
2. Which is the following is the formula in solving for the area of circle?
a. A = 2r
b. A = r²
c. A = d
d. A = 2r²
3. The diameter of a circle is 8cm what is the area?
a. 50.24 cm²
b. 200.96 cm²
c. 25.12 cm²
d. 100.48cm²
a. 18m
b. 18cm
c. 4.5m
d. 4.5cm
2. Which is the following is the formula in solving for the area of circle?
a. A = 2r
b. A = r²
c. A = d
d. A = 2r²
3. The diameter of a circle is 8cm what is the area?
a. 50.24 cm²
b. 200.96 cm²
c. 25.12 cm²
d. 100.48cm²
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Answer:
1.A
2.B
3.C
Step-by-step explanation:
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