Question

please solve this please​

Answer 1

Answer:

x = 25

Step-by-step explanation:

it will be done by exterior angle property

according to this property sum of two interior angles is equal to exterior opposite angle

in triangle ABC, angle BAC+ angle ACB = angle CBD

3x+ 40 +4x = 11x- 60    (by putting the respective values)

7x + 40 = 11x - 60

40 + 60 = 11x - 7x

100 = 4x

100/4 = x

25 = x

∴ 3x + 40 = 3 × 25 + 40 = 75 + 40 = 115

4x = 4 × 25= 100

11x - 60 = 11 × 25 - 60 = 275 -60 = 215

hence we can see that angle BAC + angle ACB = angle CBD

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Answer 2

Answer:

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