the cost of painting a right triangle board whose height is 17.5 M at the rate of 4.80 per square metre is 1050 find the base of the triangle
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Answer:
- divide total amount by post per metre
- 1050÷4.80=218.75m2
- we will get the area of triangle as 218.75 m2
- then apply formula of area of triangle:
- 218.75=height×base
- 218.75=17.5×base
- 218.75÷17.5=base
- base=12.5
answer=25m2
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