Question

find the value of x​

Answer 1

angle BAC is equal to 60 degree and angle BCA a is equal to 180 - 115 is equal to 65°

Now,

angle a + angle b + angle C is equal to 180°

Now, fill thevalues you will get the answer.

x is equal to 55°

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Answer 2

Answer:

x=55

step by step explanation:

∠FCD and ∠ ECB are in linear pair

so, ∠FCD+ ∠ECB = 180°

115°+ ∠ECB = 180°

∠ECB = 180°-115°

∠ECB = 65°

∠EAF and ∠BAC are vertically opposite angles

so, ∠EAF = ∠BAC

∠EAF =60°

so, ∠BAC = 60°

∠ABC+ ∠BAC+ ∠ACB=180 _ _ _(sum of angles in a triangle is 180)

x + 60° +65° =180°

x + 125° = 180°

x = 180°-125°

x = 55°