Class 9 NCERT

If two supplementary angles are in the ratio 2:7, then the angles are

Supplementary angle of 103.5° is

If two lines are parallel to same line then these line will be (a)   to each other

In Figure OP||RS. Determine angle PQR

Two supplementary angles are in the ratio 4:5. Find the angles.

(a)  

Value of x is

in fig. if AB is  $\parallel$  CD, CD  $\parallel$ EF; y:z::3:7. Find the value of x

Angles of triangle are in the ratio of 2:3:4. Find the smallest angle of the triangle

In the Fig. AB $\parallel$  CD . What is the value of y

In Fig.,q  $\parallel$  r and p is transversal. p is transversal, if  $\angle$  1 and  $\angle$ 2, 3:2 . Then the values of  $\angle$ 3 and  $\angle$ 4 are