A man wants to put carpet in the triangular showroom. He knows the width of the room is 3 metres more than 1/3 the length of the room. If the length of the room is 21 metres, how many square metres of carpet does he need ?
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Length = 21m
Width = 21/3 + 3 = 7 + 3 = 10m..
Area of room = 1/2 × l× b = 1/2 × 10 × 21 = 105m
Therefore area of carpet required = 105m..
Hope it helps..
Thanks
Width = 21/3 + 3 = 7 + 3 = 10m..
Area of room = 1/2 × l× b = 1/2 × 10 × 21 = 105m
Therefore area of carpet required = 105m..
Hope it helps..
Thanks
raj448204:
its atriangle
a triangle
Answered by
1
Answer
The answer should be 105m²
Please refer to attachment for detailed solution.
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