what's a scale factor

Find the scale factor for the dilation. => 2.5 or 6.5 or 3 or 2..

A circle of diameter 2 in. is dilated using a scale factor 3. What is the diameter of the enlarged circle? => 9 or 8 or 7 or 6..

Triangle XYZ is dilated by a scale factor of 2 with the center of dilation at point X. What will be the area of the new triangle? => It is 2 times the area of triangle XYZ. or It is 4 times the area of triangle XYZ. or It is 1 2 the area of triangle XYZ. or It is 1 4 t..

What is the scale factor that maps square ABCD to square AEFG? [Given a = 2 and b = 10.] => 6 or 12 or 5 or 1 5..

A lawn is in the shape of a rectangle measuring 10 ft by 8 ft. If you extend the lawn by a scale factor of 2.5, what will be the new area of the lawn? => 500 ft 2 or 200 ft 2 or 320 ft 2 or 400 ft 2..

Find the scale factor that maps PQRS onto ABCD. => 1.5 or 2 or 3 or 0.5..

Identify the scale factor for the Figure 1 to Figure 2. => 3 or 6 or 4 or 2..

Three dilations of ΔABC are ΔPQR, ΔXYZ and ΔA′B′C′. The scale factor in all the dilations is 2. What are the centers of the three dilations? => (2, 0), (0, 3) and (1, 1) or (0, 0), (2, 1) and (4, 4) or (0, 0), (0, 3) and (6, 1)..

Identify the scale factor for the Figure 2 to Figure 1. => 20 or 100 or 50 or 0.5..

Find the scale factor from the larger triangle to the smaller triangle, if the two triangles are similar. => 3 : 2 or 5 : 4 or 6 : 5 or 2 : 1..