Question

class 7th
ch- perimeter and area plz tell the answer in full explanation I will mark brainst ​

Answer 1

Answer:

Area - 434 $cm^{2}$

Perimeter - 98 cm

Step-by-step explanation:

The picture is the answer

Please mark Brainly-est

Answer 2

Step-by-step explanation:

Given:

the figure is of a rectangle attached to the diameter of semi circle such that,

diameter of the semi circle = breadth of rectangle

(1)

therefore,

lenghth = 20 m

breadth = 14 m

diameter = 14 m. …from (1)

radii = d/2 = 7 m

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To find:

Area of the given figure

we have,

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Solution:

Area of the figure = area of rectangle + area of semi circle

Area of the figure = 2×(l+b) + πr²/2

$= 2 \times (20 + 14) + \frac{22}{7} {(7)}^{2} \\ = 2 \times 34 +22 \times 7 \\ = 68 + 154 \\ = 222 \: {m}^{2}$

Hence, the area of the given figure is

222 m²