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Question
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Oh, I thought of doing it differently! If you draw like this, the area is still 10 square cm. |
Is Suruchi correct? How much is the blue area? Explain
Solution
Yes, Suruchi is correct.
Explanation:
- Area of the green triangle
= Half of the area of a rectangle measuring 4 × 2
= `1/2 xx 4 xx 2`
= 2 × 2
= 4 square cm - Area of blue triangle = Half of area of rectangle measuring 4 × 3
= `1/2 xx 4 xx 3`
= 2 × 3
= 6 square cm
Hence, total area = 4 + 6
= 10 square cm
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