lena4947
Answered

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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 Of BC In The Triangle Below B 10 А 30 С A BC 30 10 B BC2 102 302 C BC 30 10 D class=

Sagot :

Answer:

BC^2=10^2+30^2

Step-by-step explanation:

  • P=10
  • B=30

Using pythagorean theorem

[tex]\\ \sf\longmapsto BC^2=10^2+30^2[/tex]

[tex]\\ \sf\longmapsto BC^2=100+300[/tex]

[tex]\\ \sf\longmapsto BC^2=400[/tex]

[tex]\\ \sf\longmapsto BC=\sqrt{400}[/tex]

[tex]\\ \sf\longmapsto BC=20[/tex]

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