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8. A series of steps lead to a temple. The number of steps is 20. Each step has a rise of15cm and a tread 40 cm. Each step has a rise of 15 cm and a tread 40 cm. Each step is10m long. Calculate the volume of concrete required to build the stair. in Ap​

Answer»

Answer:

1 STEP

Height=15 cm=0.15 m

Breadth=40 cm=0.4 m

Length=10 m

VOLUME=l×b×h

=10×0.4×0.15

=0.6 m³

1 step Volume=0.6 m³

20 STEPS =0.6×20=12 m³

\boxed{\mathbf{Volume={12M}^{3}}}

Volume=12m



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