irenezarate485
Answered

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find m ABC (2x+14) (x+7) ​

Find M ABC 2x14 X7 class=

Sagot :

manyaarora2007

Answer:

Last option 30°

damm sure about it

Step-by-step explanation:

value of x is 23 but value of Angle ABC will be x +7 i.e. 30

View image manyaarora2007
devishri1977

Answer:

30

Step-by-step explanation:

∠ABC + ∠CBD = 90°

x + 7 + 2x + 14 = 90°

x + 2x   + 7 + 14 = 90

3x + 21 = 90

Subtract 21 from both sides

3x = 90 - 21

3x = 69

Divide both sides by 3

x = 69/3

x = 23

∠ABC = x + 7

         = 23 + 7

         = 30

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