The base of a prism is in the form of a right angled triangle. The triangle has base and height equal to 5 cm and 8 cm respectively. If the height of prism is 12 cm, the volume of prism will be :

120 c m^{3}

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240 c m^{3}

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180 c m^{3}

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60 c m^{3}

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Solution

The correct option is B $240 c m^{3}$
The base of the prism is a right-angled triangle.

Area of the base of the prism is $\frac{1}{2} \times 5 \times 8 = 20 c m^{2}$

Volume of prism = $Base Area \times Height$

Volume = $20 c m^{2} \times 12 c m = 240 c m^{3}$

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The base of a prism is in the form of a right angled triangle. The triangle has base and height equal to 5 cm and 8 cm respectively. If the height of prism is 12 cm, the volume of prism will be :

The correct option is B 240 cm3The base of the prism is a right-angled triangle. Area of the base of the prism is 12×5×8=20 cm2 Volume of prism = Base Area×Height Volume = 20 cm2 × 12 cm=240 cm3

The correct option is B $240 c m^{3}$
The base of the prism is a right-angled triangle.

Area of the base of the prism is $\frac{1}{2} \times 5 \times 8 = 20 c m^{2}$

Volume of prism = $Base Area \times Height$

Volume = $20 c m^{2} \times 12 c m = 240 c m^{3}$