Episode 1 of 3
A rectangle split in the ratio 4 to 5 to 9
The question
Draw a rectangle with the given side lengths, then split it into 3 parts whose areas are in a given ratio. Work in pairs.
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(a) On a sheet of A4 paper, draw a rectangle that is 18 cm long and 9 cm wide.
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(b) Split the rectangle into 3 parts so that their areas are in the ratio 4 : 5 : 9.
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(c) Work out the area of each part.
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Answer
- (a)162 cm²
- (c)A: 36 cm², B: 45 cm², C: 81 cm²
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