Question

If in triangle ABC AB=AC
angleC=65⁰.Find angleA?​

Answer 1

Answer:

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Answer 2

Answer:

Since AB is equal to AC

Angle C = angle B

=> by angle sum property of Triangles

Angle A+angle B+angle C = 180 (let angle A be x)

x + 65 + 65 = 180

x = 180 - 130

x = 50

Therefore angle A is 50°

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Step-by-step explanation:

if AB=AC and angle c=65 degree

then,

angle C=angle B (if opposite sides are equal in a triangle then its opposite angle will also be equal)

hence, angle B=65 degree

now, angle A

A+B+C=180

A+65+65=180

A+130=180

A=180-130

A=50

hence, angle A=50

Step-by-step explanation:

In Triangle ABC,

AB = AC

and

then

angle C will also be equal to angle B

therefore ,

(angle opposite to equal sides are equal )

hence ,

LC=65

#Learn more:

In a triangle ABC if ab is equal to AC and angle b is equal to 65 degree find angle C and Angle A