a right triangle has an area of 21m^2, the dimensions of the triangle are increased by a scale factor of 4. what is the area of the new triangle?

Question

A. 42m^2

B. 84m^2

C. 168m^2

D. 336m^2

Answer 1

Hi Ellissa, when you increase the dimensions of a right triangle by a scale factor of 4, you increase the are by a factor of 4² or 16.

 

The correct answer is D: 336 meters squared.

 

Remember, the increase in area is the square of the scale factor.

 

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