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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 [tex]\frac{3}{4}[/tex] of the full circle.
Formula
The perimeter of the circle = 2πr
The perimeter of the given shape = [tex]\frac{3}{4}[/tex](2πr)+r+r = [tex]\frac{3}{4}[/tex](2πr)+2r
The area of the circle = πr²
Now,
The perimeter of the given shape = [tex]\frac{3}{4}[/tex](2×[tex]\frac{22}{7}[/tex]×14)+2×14 = 94 cm
The area of the given shape = [tex]\frac{3}{4}[/tex](πr²)
= [tex]\frac{3}{4}[/tex]×[tex]\frac{22}{7}[/tex]×14² = 462 sq cm
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