Que1: An angle whose measure is exactly 90 degrees.

Acute vertical Right

Que2: What type of triangle has 3 congruent sides? Congruent means equal.

Equilateral Scalene Isosceles

Que3: What type of triangle has no congruent sides? Congruent means equal.

Scalene Isosceles Equilateral

Que4: What type of triangle has only 2 congruent sides? Congruent means equal.

Equilateral Isosceles Scalene

Que5: Sum of angle of triangle is :

360 270 180

Que6: Complete Angle is

270 360 180

Que7: Right Angle is

120 45 90

Que8: Acute angle lies below.

90 120 180

Que9: What is Straight Angle?

90 180 270

Que10: Obtuse angle lies between which of these?

180 and 270 90 and 180 270 and 360