Question

answer all the questions please ​

Answer 1

Answer:

Ans.7. a) 28cm

b) 160cm

Ans.8.a)350m

b)350m

Ans.9.a)784cm

b)2025m

Ans.10.47cm

Step-by-step explanation:

Ans.7

a) Perimeter of Pentagon =4+6+7+8+3cm

=28cm

b) Perimeter of Rectangle =33+42+45+40cm

=160cm

Ans.8

a) Area of Rectangle=L×B

=14×25m

=350m

b) Area of Rectangle=L×B

=7×50cm

=350cm²

Ans.9

a) Area of Square=Side×Side

=28×28cm

=784cm²

b) Area of Square=Side×Side

=45×45m

=2025m²

Ans.10

Perimeter of Triangle=20+12+15cm

=47cm

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Answer 2

Answer:

ans:7.a) 28cm

b) 160cm

ans:8.a) 350m

b) 350m

ans:9.a) 784cm

b) 2025m

ans:10.47cm