Mathematics, 19.11.2020 01:40 jeto32

Which of the following equations could be solved to determine the length of ? Question 11 options:

A)

QR2 = 202 + 272 – cos 99°

B)

QR2 = 202 + 272 – 2(20)(27)

C)

QR2 = 202 + 272 – 2(20)(27) ⋅ cos 99°

D) cos 99/QR = cos R/20

Which of the following equations could be solved to determine the length of ?

Question 11 options

Answers: 2

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Which of the following equations could be solved to determine the length of ? Question 11 options:<...