Question

7.
6 cm and area 30 cm.
height is equal to that of the rectangle with base
8. The ratio of altitude and base of a triangle is 1 : 2 and area is 9 sq m. Find its base and altitude.
9. One side of a right-angled triangular scarf is 80 cm and its longest side is 1 m. Find its cost at the rate of 25
per square metre.​

Answer 1

Step-by-step explanation:

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