Question

pls solve this practice set
i will mark u brainlist pls
its very urgent​

Answer 1

• Diameter=2×radius
• Circumference=2πr
• Radius=Diameter/2

(1)

(i)

diameter =2×7cm=14cm

circumference=2π×7

2×22/7×7

2×22

=44cm

(ii)

Radius=28cm/2=14cm

Circumference=2×π×14

2×22/7×14

2×22×2

=88cm

(iii)

Circumference =2πr

616cm=2×22/7×r

616=44/7×r

616/44=r/7

44r=616×7

44r=4312

r=4312/44

r=98cm

Diameter =2×R

2×98

=196cm

(2)

2πr=176

2×22/7×r=176

44r=176×7

44r=1232

r=1232/44

r=28cm

Answer 2

Step-by-step explanation:

it is the answer

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