Question

The sides of a triangle are 4, 7, and 10. The triangle is dilated by a scale factor of 3 to create a

new triangle. Find the perimeter of the new triangle.
A
21 units
B
63 units
30 units
D
25 units

Answer 1

B 63 units

Explanation:

Dilatation is an increase of shape , a larger imagine , the dilatation is 3 so times each side by three and add them all up