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tigry1 [53]
3 years ago
10

20 points help help help

Mathematics
2 answers:
mrs_skeptik [129]3 years ago
7 0

The perimeter of the shape is 94 cm and the area is 462 sq cm.

Step-by-step explanation:

Given,

The radius (r) = 14 cm

To find the area and perimeter of the given shape.

The given shape is \frac{3}{4} of the full circle.

Formula

The perimeter of the circle = 2πr

The perimeter of the given shape = \frac{3}{4}(2πr)+r+r =  \frac{3}{4}(2πr)+2r

The area of the circle = πr²

Now,

The perimeter of the given shape =  \frac{3}{4}(2×\frac{22}{7}×14)+2×14 =  94 cm

The area of the given shape = \frac{3}{4}(πr²)

= \frac{3}{4}×\frac{22}{7}×14² = 462 sq cm

Sergeu [11.5K]3 years ago
3 0

Answer:

Area = 147pi cm²

Perimeter = (21pi + 28) cm

Step-by-step explanation:

Angle at the centre appear to be 270°

Area = (270/360) × pi × 14²

= 147pi cm²

Perimeter =

[(270/360) × 2 × pi × 14] + 14 + 14

(21pi + 28) cm

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