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Why is Angle A of a right triangle measures 30 Side b measures 57 yd Find the measures of the parts of the right triangle that are not given Round your answers to the nearest whole number?
Wiki User
∙ 11y ago
since its a right triangle that means that Angle C is 90 degrees. With this knowledge you can find the degree of angle B by taking 180-90-30=60. Now use the law of Sines:
Sin of angle A/ length of side a * sin of angle B/ length of side b
Ergo:
sin30/a * sin60/57
a=19rad3 or 32.9 so 33
sin60/57 * sin90/c
c=58rad3 or 65.81 so 66
Now you have:
Angle A=30
Angle B=60
Angle C=90
Side a=33
Side b=57
Side c=66
Wiki User
∙ 11y ago
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