Question

In a AABC, AB=5cm , AC=5cm and <A=500, then <B=
d) 40°
c)80°
a) 35°
b)65°sm​

Answer 1

Answer:

In ∆ABC,

AB=AC

Therefore

angle B= angle C=x

because when sides are equal in a triangle then the angles opposite to them are also equal

we know,

angle A=50

angle A+ angle B+ angle C =180(anglesum)

50+x+x=180

2x=180-50

2x=130

x=130÷2

x=65

angle B=65 degree

Step-by-step explanation:

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Answer 2

Answer:

Your answer is given below,

Step-by-step explanation:

Correct option is C)

Given, ∠A=90

∘

By Pythagoras theorem,

BC

2

=AB

2

+AC

2

BC

2

=5

2

+12 2

BC=13 cm

Area of triangle =

2

1

×base×height

Thus,

2

1

AB×AC=

2

1

AD×BC

5×12=13×AD

AD=60cm.