isabelbean200649 isabelbean200649

03-08-2021
Mathematics

contestada

ZA and ZB are complementary angles. If m A = (8x + 27)° and m
ZB = (6x – 21)°, then find the measure of ZB.

ZA and ZB are complementary angles If m A 8x 27 and m ZB 6x 21 then find the measure of ZB class=

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wegnerkolmp2741o wegnerkolmp2741o

03-08-2021

Answer:

15

Step-by-step explanation:

Complementary angles add to 90 degrees

8x+27 + 6x-21 = 90

Combine like terms

14x+6 = 90

Subtract 6 from each side

14x+6-6 = 90-6

14x = 84

Divide by 14

14x/14 = 84/14

x=6

We want angle B

B = 6x-21 = 6*6-21 =36-21 = 15

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