Question

Solve it as soon as possible because tommorow is my exam which has 20 marks​

Answer 1

Answer:70

Step-by-step explanation:construction:draw mn parallel to pq and bs.

Proof: pq||mn

<qao+<aon=180°(co-interior angles)

120°-180°=<aon

<aon=60°

When mn||bs

<obs+<bon=180°(co-interior angles)

<bon=10°

So,angle aob= <bon+<aon

=60°+10°

=70°

Answer 2

Step-by-step explanation:

i hope this will help u

if this is the. right answer then and only then u mark it as brilliant