Question

FORMULA
A) Area of a sector =
B) Area of a rectangle =
C) Area of a square =
D) Perimeter of a square =
E) Perimeter of a rectangle =
F) Circumference of a circle =
G) Area of a circle =
H) Circumference of a semicircle =
I) Area of a quadrant =
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Answer 1

Answer:

Cicumference of circle C = 2πR = πD

Area of Circle = πR²

Step-by-step explanation:

where, C= circumference and π= It is constant pronounced as “pi” with the value of 22/7 or 3.14

Answer 2

Answer:

area of sector-The area of a sector of a circle is ½ r² ∅, where r is the radius and ∅ the angle in radians subtended by the arc at the centre of the circle.

area of rectangle-l×b

area of square-side^2

perimeter of square-4×side

perimeter of rectangle-2(length+breadth)

circumference of Circle-2πr

area of Circle-πr^2

circumference of semicircle-πr

area of quadrant- πr^2/4

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