Find the area of shaded region enclosed between two concentric circles of radii 7cm and 14cm, where angle aoc=40degree
Answers
Answered by
12
Concentric circles are circles with a common center.
The radii of the larger circle = 14cm
The radii of smaller circle = 7cm
Area enclosed by the two circles = Area of the bigger circle - area of the smaller circle.
AREA OF BIG CIRCLE
22/7 × 14 × 14 = 616cm²
AREA OF SMALLER CIRCLE
22/7 × 7 × 7 =154cm²
616 - 154 = 462cm²
The radii of the larger circle = 14cm
The radii of smaller circle = 7cm
Area enclosed by the two circles = Area of the bigger circle - area of the smaller circle.
AREA OF BIG CIRCLE
22/7 × 14 × 14 = 616cm²
AREA OF SMALLER CIRCLE
22/7 × 7 × 7 =154cm²
616 - 154 = 462cm²
Answered by
19
Solution :-
Given that there are two concentric circles.
Radius of bigger circle = 14 cm
Radius of smaller circle = 7 cm
Area of region enclosed between two concentric circles
= Area of the bigger circle - Area of the smaller circle
⇒ (22/7 × 14 × 14) - (22/7 × 7 × 7)
⇒ (4312/7) - (1078/7)
⇒ 616 - 154
= 462 cm²
Answer.
Given that there are two concentric circles.
Radius of bigger circle = 14 cm
Radius of smaller circle = 7 cm
Area of region enclosed between two concentric circles
= Area of the bigger circle - Area of the smaller circle
⇒ (22/7 × 14 × 14) - (22/7 × 7 × 7)
⇒ (4312/7) - (1078/7)
⇒ 616 - 154
= 462 cm²
Answer.
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