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Please help find the correct answer with steps

Please help find the correct answer with steps-example-1

2 Answers

4 votes

Answer:

800 cm²

Explanation:

Given similar figures with ratio of sides = a : b

Then ratio of areas = a² : b²

Here ratio of sides = 20 : 6 = 10 : 3, thus

ratio of areas = 10² : 3² = 100 : 9 =
(100)/(9), thus

area of Δ DEF =
(100)/(9) × 72 = 100 × 8 = 800 cm²

User Philip Kendall
by
4.0k points
4 votes

Answer:

yep your answer was correct

Step-by-step explanation:all you gotta do is divide the area of the smaller one and that is 12 so you multiply 12 by 20 witch is 240

User Sorensen
by
5.0k points