The sum of the total angles in a triangle is _______
180o
80o
90o
None of these
A straight angle = ________o
120o
60o
130o
The figure,given below,show a pair of parallel lines cut by a transversal.Find 'a' and 'b' ?
a = 75o b = 75o
a = 70o b = 70o
a = 60o b = 100o
a = 70o b = 65o
From ΔPQR calculate ∠QPR
80
65o
90
Give reasons x = y ____________
Conjoined angles
Corresponding angles
Alternate angles
A straight angle is an angle which is equal to _________
360o
270o
a = 110o b = 70o
a = 60o b = 30o
a = 60o b = 65o
Give reason ∠x = ∠y
Linear pair
Corresponding angle
Alternate angle
Find x
85o
30o
20o
From ABC calculate ∠ABC, if ∠ACB = 60o and ∠BAC = 40o
40o
