Question

try these class 7 maths page no. 109​

Answer 1

Answer:

1. 60
2. 55
3. no
4. 180-60=120
5. 120
6. a=120, b=120,c=120, d= 60

Answer 2

Answer:

1) x=60° [ alternate angel ]

2) y=55° [ alternate angel ]

4) z=60°+z°=180°

or, z°=180°-60°

= 120°