Maths Class 10 CBSE
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523.23
Step-by-step explanation:
depth(h) of each conical depression=1.4cm
radius(r)=0.5 cm
req. vol.= vol of cuboid- vol. of 4 cones
=lbh-$*1/3*πr∧2h
=15*10*3.5- 4(1/3)(22/7)(1/2)(1/2)(1.4)
=525-1.466
=523.23