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.
29,267 views
17 votes
17 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 Thlim
by
3.3k points

1 Answer

30 votes
30 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 Guus Geurkink
by
3.1k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers

Other Questions

Please help me Heat travels in slow convection currents of solid materials within Earth's mantle. Heat that rises in these currents A. is a by-product from the decay of Earth's radioactive isotopes. B.
Beyonce bench presses 1.5kn using 3000j of energy . Calculate the distance moved by the weights
Which sea is furthest north? coral, tasman or arafura
Describe the distribution of the amazon rainforest.
How will this Nisqually donation impact the city of Lakewood? It will allow the city to design and develop new infrastructure. It will help the city invest in new business enterprises O It will fund emergency
Link Copied!