Question

how to take out how to take out perimeter and area of a rectangle, square, circle and triangle​

Answer 1

Perimeter of rectangle = 2(l+b)

Perimeter of square = 4×side

Perimeter of circle = 2πr

Perimeter of triangle = 3×side

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Answer 2

Answer:

Important symbols for formulae

l is length of rectangle

b is breadth of rectangle

m is side of square

r is radius of circle

f is height, g is base, h is hypotensue of right angled triangle

π is called pie as we all know

PERIMETER OF

•rectangle = 2(l+ b)

•square= 4×m

•circle (called circumference) = 2πr

•triangle= f+ g + h

AREA OF

• rectangle = l×b

• square = m^2

• circle= πr^2

• triangle= 1/2×f×g

Ask for any other of finding the same

Hope it will help you