SinA = SinB = SinC
a. b. c
AC = 10² + 5² - 2 x 10 x 5x Cos60°
AC = 100 + 25 - 2 x 10 x 5 x 1/2
AC = 125 - 50
AC = 75
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Answers & Comments
1. According to the figure property of corner angles is:
SinA = SinB = SinC
a. b. c
2.
AC = 10² + 5² - 2 x 10 x 5x Cos60°
AC = 100 + 25 - 2 x 10 x 5 x 1/2
AC = 125 - 50
AC = 75
Answer: (2) AC = 75 cm
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