Question

plz mate answer me and with expiations​

Answer 1

6. In ∆xyz angle y 70°

ANGLE X=Z

ANGLE X=Z=55°

Answer 2

6answer)

angle Y=70°

angle Y=angle Z

angle Z=70°

angle X+angle Y+angle Z=180°

angle X+70°+70°=180°

angle X=180°-140°

angle X=40°

7answer)

X+Y+Z=?

X=180°-60°=120°

Y=120°

Z=120°

X+Y+Z=3(120°)

=360°

8answer).

AB=5cm

BC=8cm

angle B=angle C

angle C=5cm

perimeter of ∆ABC=angle A+angle B+angle C

=8+5+5

=18cm

9answer)

angle ABD=110°

angle ACE=150°

angle ACE+angle ACB=180°

(linear pair)

150°+angle ACB=180°

angle ACB=30°

angle ABD+angle ABC=180°

(linear pair)

110°+angle ABC=180°

angle ABC=70°

angle ABC+angle ACB+angle BAC=180°

(property of triangle)

70°+30°+angle BAC=180°

100°+angle BAC=180°

angle BAC=180°-100°

angle BAC=80°

hope it is helpful...

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