Question

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Answer 1

Step-by-step explanation:

perimeter of park= 30+30+24+10+perimeter of

semi circle

= 94+ peri of semi circle

= 94+ πr

= 94+ 22/7×7

= 94+ 22

= 116

hence peri meter of park is 116

area of park= area of rec - area of semi circle

=. l×b - πr²/2

=. 30×24- 22/7×7²/2

=. 720- 22/7×49/2

=. 720- 77

=. 720- 77

=. 643

hence area of park is.643

.....666......

Answer 2

Answer:

Diameter of half circle = ( 24 - 10 ) = 14 m

radius r = 7 m

perimeter of half circle = 3.14 × 7 = 21.98 m

perimeter of compound = 30 × 2 + 24 + 10 + 21.98

= 115.98 m

area of half circle = ½ × 3.14 × (7)² = 76.93 m²

area of full rectangular compound = 30 × 24 = 720 m²

area of actual compound = 720 - 76.93 = 643.07 m².

Step-by-step explanation:

hope it will be helpful.