Question

PLEASE DO THESE QUESTIONS.. THESE ARE FROM CLASS 7th NCERT BOOK.. CHAPTER (LINES AND ANGLES)

Answer 1

Answer:

1)

A)90-35=55

b)90-72=28

c) 90-45=45

d)90-85=5

2)

a) 180-70=110

b)180-120=60

c)180-135=45

d)180-90=90

3)

Complementary :-

a) 90-25=65,90-65=25

b)90-60=30

c) 90-63=27,90-27=63

d) 90-80=10

Supplementary :-

a) 180-25=155,180-65=115

b)180-120=60,180-60=120

c)180-63=117,180-27=153

d)180-100=80,180-80=100

4) Obtuse

Hope this helps u mate!!!!

Answer 2

Step-by-step explanation:

Q1 =

(a)=complement=90°-35°=55°

(b)=90°-72°=18°

u can do next question like this

Q2=

(a)= supplement=180°-70°=110°

Q3=

complementary angles=1, 3

supplementary angles=2, 4

Q4=

Right angles