Circle Perimeter and Area

Perimeter and Area

Perimeter

Square→ 4s

Rectangles→2(l+b)

Triangle → a+b+c

Parallelogram→2(a+b)

Circle →2πr

Multiple Choice

Find the perimeter of circular field whose radius is 4 m. Taking the value of π to be 22/7

• 22.14

• 552.64

Area

Rectangle→l×b

Square→s²

Triangle →½×b×h

Parallelogram→ b×h

Circle → πr²

Multiple Select

Find the area a triangle whose 2 sides are parallel (AB|| AC). The length of the point A to the opposite line segments is 4 m. The length of BC 3 m.

• 6m

• 12m

• 6m²

• 12m²