Geometry and TrigonometryEasy–MediumPerimeter of an enlarged triangle
Geometry and Trigonometry practice question
A triangle with sides 6, 8, and 10 is enlarged by a scale factor of 5. What is the perimeter of the enlarged triangle?
Answer: 120
The perimeter, 24, is multiplied by 5: 120.
Common wrong answers
- If you answered 24
- 24 is the original perimeter.
- If you answered 29
- 29 adds 5 to 24.
- If you answered 600
- 600 multiplies 24 by 25.
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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