If in Δ ABC, AC > BA. Then the relation between the angles is
∠A = ∠B
∠B > ∠C
∠B = ∠C
∠A > ∠B
If in Δ ABC, AB = AC and vertical angle is 40o, then base angles are
70o
40o
140o
170o
Name this properly " Every triangle is congruent to itself".
Reflex
Symmetric
Transitive
Equivalence
In the figure ∠x =
50o
65o
130o
90o
A triangle can always possess
One acute angle
At least two acute angles
At least 2 right angles
Can't be determined
Figures with same shape are called
Equal
Congruent
Both 1 and 2
Similar
If ∠ABC = ∠DEF then ∠DEF = ∠ABC. Name this property.
Reflexive
If in ΔPQR, QR = PR and ∠P = 36o then the longest side of the triangle is
PQ
QR
PR
The sum of the interior angle of a polygon with 7 sides
10 right angles
14 right angles
12 right angles
7 right angles
What is the sum of interior angles of a regular octagon?
900o
1020o
1080o
200o