The surface area of a (10cm×4cm×3cm) brick is
- 84 cm^2
- 124 cm^2
- 164 cm^2
- 180 cm^2
Explanation
The surface area of a (10cm×4cm×3cm) brick is 164 cm^2
Solution
The surface area of a brick of measure
10cm×4cm×3cm
=2(l×b+b×h+h×l)
=2[10×4+4×3+3×10]cm2
=2[40+12+30]=82×2
=164cm2
****
ND10-12-2022
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