Consider the enlargement of the triangle.
A triangle has side lengths of 7 millimeters, B, and A. A larger triangle has side lengths 14 millimeters, 7 millimeters, 16 millimeters.
Kyla calculated the scale factor of the enlargement as 2. She then determined that A = 32 mm and B = 14 mm. What was Kyla’s error?
Kyla’s scale factor is incorrect. It should be One-half for the ratio StartFraction Original over scaled figure EndFraction.
Kyla used the wrong corresponding sides.
Kyla multiplied the corresponding sides by 2 instead of dividing to find the original.
Kyla added 2 to the corresponding sides instead of subtracting.
1 answer
Kyla's error was that she multiplied the corresponding sides by 2 instead of dividing to find the original. The correct scale factor for the enlargement should be 1/2, not 2.