Geometry and TrigonometryEasy–MediumHeight of a triangle from its area
Geometry and Trigonometry practice question
A triangle has an area of 24 square units and a base of 8 units. What is the height of the triangle, in units?
Answer: 6
(1/2)(8)(h) = 24 gives 4h = 24, so h = 6.
Common wrong answers
- If you answered 3
- 3 forgets the half, using 8h = 24.
- If you answered 12
- 12 uses (1/2)(8) = 4 and 48/4.
- If you answered 16
- 16 subtracts 8 from 24.
More Geometry and Trigonometry questions
- Easy–Medium
A circle has a radius of 6. What is its area? (Use A = πr².) - Easy–Medium
A right triangle has legs of length 6 and 8. What is the length of the hypotenuse? - Easy–Medium
A circle has a radius of 5. What is its circumference? (Use C = 2πr.) - Easy–Medium
What is the midpoint of the segment joining the points (2, 3) and (8, 11)? - Easy–Medium
What is the measure, in degrees, of angle B? - Easy–Medium
What is the area, in square centimeters, of the trapezoid?
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