diameter of a circular field is 70 cm. The area of the same circular field will be____
a) 1256 cm square
b) 3500 cm square
c) 3850 cm square
d) 15,400 cm square
Answers
Answered by
1
Answer:
c)3850 cm square
Step-by-step explanation:
d=70cm
r=70/2=35cm
area = πrsq
=(22/7 *35 *35)cm sq
=3850 sq
Answered by
1
Given : Diameter of a circular field is 70 cm
To Find : area of the same circular field
a) 1256 cm square
b) 3500 cm square
c) 3850 cm square
d) 15,400 cm square
Solution:
Diameter of a circular field is 70 cm
=> Diameter = 70 cm
Radius = Diameter /2
=> Radius = 70/2
=> Radius = 35 cm
Area of circle = π (Radius)²
π = 22/7
Radius = 35
=> area of circular field = (22/7) (35)²
= 22 * 35 * 35 / 7
=22 * 35 * 5
= 110 * 35
= 3850 cm²
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