Asked by Sam

In a triangle ABC , angle B is 4 times angle A and angle C is 17 degrees less than 5 times angle A. Find the size of the angles.

15 years ago

Answered by TutorCat

B=4A
C=5A-17

The three angles of a triangle add up to 180 degrees.

A+B+C=180

hint: use substitution.

15 years ago

Answered by kristen

21.88888

10 years ago

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