∠A and ∠B are supplementary angles. Ifm ∠A =(6x + 10)° and m ∠A = (4x + 30)°, then find the measureof ∠B

3 answers
Question:

∠A and ∠B are supplementary angles. If m ∠A =
(6x + 10)° and m ∠A = (4x + 30)°, then find the measure
of ∠B

Answers

∠B = 86°

Step-by-step explanation:

Given ∠A and ∠B are supplementary angles.

That is , ∠A + ∠B = 180°

            ( 6x + 10)° + ( 4x + 30)° = 180°

             6x + 10 + 4x + 30 = 180

                 10x + 40 = 180

                 10x = 180 - 40

                     10x = 140

                      x = 14

Therefore, ∠A = (6x + 10) ° = (( 6 x 14) + 10)° = 94°

                ∠ B = ( 4x + 30)° = (( 4 x 14) + 30)° = 86°

the answer is 175.4379

step-by-step explanation:

what is

step-by-step explanation:

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