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Work out the area of a rectangle with base, b=20mm and perimeter, p=50mm
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Work out the area of a rectangle with base, b=20mm and perimeter, p=50mm

User Helmisek
by
3.8k points

2 Answers

4 votes

Answer:

Subtract given lengths: 50 - 20 = 30

Divide by 2 since there are 2 missing sides that need a length: 30 divided by 2 = 15

With the given side lengths multiply all of them to get your area.

15 x 20 = 300 is your area I am pretty sure.

User Veljko
by
4.1k points
1 vote

Answer:

100mm²

Step-by-step explanation:

the other side: (50 - 20 × 2) ÷ 2 = 5

5 × 20 = 100

User Simon Sheehan
by
4.7k points
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