A triangle has base 8 units and height 5 units. What is its area?

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Multiple Choice

A triangle has base 8 units and height 5 units. What is its area?

Explanation:
Area of a triangle is half the product of its base and height. The height is the perpendicular distance from the base to the opposite vertex. With a base of 8 units and a height of 5 units, multiply 8 by 5 to get 40, then take half of that: 40 ÷ 2 = 20. So the area is 20 square units. This matches the correct choice because the formula specifically uses one-half of base times height. The other numbers would come from not halving the product or mixing up the dimensions, which doesn’t reflect how triangle area is defined.

Area of a triangle is half the product of its base and height. The height is the perpendicular distance from the base to the opposite vertex. With a base of 8 units and a height of 5 units, multiply 8 by 5 to get 40, then take half of that: 40 ÷ 2 = 20. So the area is 20 square units. This matches the correct choice because the formula specifically uses one-half of base times height. The other numbers would come from not halving the product or mixing up the dimensions, which doesn’t reflect how triangle area is defined.

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