Question

plzzz answer this question​

Answer 1

Step-by-step explanation:

d. is yous answer dear ..

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Answer 2

Answer:

c)2.5 centimetres

Step-by-step explanation:

area=10y

perimeter=20+2y

=>10y=20+2y

=>20=10y-2y

=>20=8y

=>y=20/8=2.5

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