All the dimensions of a triangle were multiple by the same factor. If the base of the triangle went from 1 centimeter to 3 centimeters, the area of the triangle was multiple by what?

6

3

9

12

Question

Mathematics

Jalen Curry

3 October, 13:37

All the dimensions of a triangle were multiple by the same factor. If the base of the triangle went from 1 centimeter to 3 centimeters, the area of the triangle was multiple by what?

6

3

9

12

+2

Answers (1)

Know the Answer?

Maria Le · Answer 1

the area is multiplied by 9.

Step by Step Explanation:

Let x be the base

Let y be the height

Since all dimensions were multiplied by the same number, 3,

Original area,

1/2 * x * y = (1/2) xy

New area,

1/2 * 3x * 3y = (1/2) (9) xy

Hence, area is multiplied 9 times.

All the dimensions of a triangle were multiple by the same factor. If the base of the triangle went from 1 centimeter to 3 centimeters, the area of the triangle was multiple by what?63912

All the dimensions of a triangle were multiple by the same factor. If the base of the triangle went from 1 centimeter to 3 centimeters, the area of the triangle was multiple by what?

6

3

9

12