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Question 19 of 28

Which of the following equations can be used to find the length of BC in the
triangle below?
B
10
А
30
с
A. BC = 30 + 10
B. (BC)2 = 102 + 302
C. BC = 30 - 10
D. (BC)2 = 302 - 102

Question 19 of 28 Which of the following equations can be used to find the length-example-1

1 Answer

4 votes

Answer:

BC^2=10^2+30^2

Explanation:

  • P=10
  • B=30

Using pythagorean theorem


\\ \sf\longmapsto BC^2=10^2+30^2


\\ \sf\longmapsto BC^2=100+300


\\ \sf\longmapsto BC^2=400


\\ \sf\longmapsto BC=√(400)


\\ \sf\longmapsto BC=20

User JalalJaberi
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