Question

MATHS GENIUS COME HERE!

Answer 1

Answer:

45 degrees

Step-by-step explanation:

angle B is 45 and angle C is 45 degrees...

because it is a isoceles triangle

Answer 2

Answer:

∠b = 45°

∠c = 45°

Step-by-step explanation:

we know that ab = AC so ∠b = ∠c

hence ∠b = ∠c

so ∠b can also be written as ∠c because these both angles are equal

therefore ∠c = ∠c -------- equation 1

so now ,

90° = ∠a (given)

90° + ∠b + ∠c = 180° ( angle sum property )

90° + ∠c + ∠c = 180° ( equation 1 )

90° + 2∠c = 180°

2∠c = 180° - 90°

2∠c = 90°

∠c = 90°/2

∠c = 45°

hence ∠c = ∠b ,

so,

∠b = 45°

∠c = 45°

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