Question

In a A ABC, if ZA = 55°, ZB = 40°, find ZC.
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Answer 1

Answer:

angle A=55° angle B=40°

using the angle sum property of a triangle,

angle A+angle B+angleC=180°

55°+40°+angleC=180°

angle C= 180°-95°= 85°

Answer 2

Step-by-step explanation:

In a triangle ABC, sum of angles of a triangle are 180

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always.

∴∠ABC+∠BCA+∠CAB=180

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Given : ∠CAB=55

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∠ABC=40

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∴55

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+40

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+∠BCA=180

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∴∠BCA=180

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−95

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=85

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we know ∠ABC=∠B,∠BCA=∠C and ∠CAB=∠A

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