Question

find the perimeter of the following shapes to 1 d. P. take
pi= 3.14.​

Answer 1

Answer:

2πrh+2×2πr×r

2πr(h+2r)

2×3.14×8(3+16)

16×3.14×{19}

954.56cm^2

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Answer 2

Answer:

56.24 cm

Step-by-step explanation:

The figure is made up of 2 semicircles and 1 rectangle.

Find the length of the arc of the two semicircles:

2 identical semicircles = 1 full circle

Circumference of a circle = 2πr

Circumference of the circle = 2 x 3.14 x (16 ÷ 2)

Circumference of the circle = 50.24 cm

Find the sides of the rectangle:

Sides = 3 + 3 = 6 cm

Find the perimeter of the figure:

Perimeter = 50.24 + 6 = 56.24 cm

Answer: 56.24 cm