can someone show me the answer for these with working and statements?
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Answer:
Q 1.
perimeter = πr + 40
= 3.14 × 20 + 40
= 62.80 + 40
= 102.80
Q 2.
1. Given
2. Given
3. Common
4. By SAS
5. C.P.C.T
Q3.
area of square pizza = 26 ×26
= 676^2
area of a circle pizza = πr^2
= 22 / 7 × 14 × 14
= 22 × 2 × 14
= 616 m^2
Therefore square pizza is big . Therefore it is better deal.
Q 4.
1. I interest = p× r × t
= 1200 × 12 /100 × 5
= 144 ×5
= ₹ 720
2. Amount = P + I
= 1200 + 720
= ₹ 1920
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