Question

3. There is a slide in a park. One of its side walls has been painted in some colour with a
KEEPTHE PARK GREEN AND CLEAN I the sides of the wall are 15 m. llm and 6 m, find the area painted in colour
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Answer 1

Answer:using herons formula

area =root s*(s-a)*(s-b)*(s-c)

s=a+b+c/2

15+11+6/2

32/2=16

putting in formula

√16*1*5*10

√800

20√2 square m