Register
Triangle PQR has an area of 12 ft2. If it is dilated by a scale factor of 3, what will be the area of triangle P’Q’R’? A. 108 ft2 B. 36 ft2 C. 324 ft2 D. None of the above.
90.6k views
0 votes
Triangle PQR has an area of 12 ft2. If it is dilated by a scale factor of 3, what will be the area of triangle P’Q’R’?

A. 108 ft2
B. 36 ft2
C. 324 ft2
D. None of the above.

User Nicoptere
by
3.3k points

1 Answer

9 votes

Original area = 12 =
(1)/(2) * b *h

New Area =
(1)/(2)* 3b *3h = 9 * ((1)/(2) *b *h) = 9 * 12 = 108 ft^(2)

Hope it helped!

User Rodrigo Polo
by
3.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.3m questions

4.3m answers

Other Questions

It has been observed that forest fires can produce up to 40 percent of the mean annual global emissions of which of the following gases?A. nitrogenB. carbon dioxideC. oxygenD. All of these
Which of these allowed Japan’s population to grow? A. Japan imported most of its food from China. B. Japan had no enemies, so its population grew. C. Japan’s climate enabled rice production and fishing.
People are not spread out evenly over the world true or false
A geologist examines the chart and claims to know which magma sample is andesitic. Which sample is the geologist referring to?
This picture shows a child playing in the snow during winter in the Northern Hemisphere. In which direction is Earth’s axis tilting at this time?
Link Copied!