Question1 : What is the third angle for the triangle where angle1 = 45° and angle2 = 45° ?

45° 90° 60°

Question2 : If a triangle has an angle of 90 degrees, what is it called ?

Right Angled Obtuse Acute

Question3 : A triangle with one angle greater than 90 degrees is ?

Equilateral Triangle Obtuse Triangle Acute Triangle

Question4 : Which ancient Greek philosopher studied triangles ?

Plato Pythagoras Socrates

Question5 : A triangle having at least two equal sides ?

Isosceles triangle Right Triangle Equilateral Triangle

Question6 : In right triangle, the side opposite to right angle is called ?

Altitude Hypotenuse Angle Bisector

Question7 : The perimeter of a equilateral triangle is 15cm. What is the length of one side ?

15 5 3

Question8 : The sum of all the angles of a triangle ?

360° 90° 180°

Question9 : In ΔABC if AB = BC, then :

∠A = ∠B ∠A = ∠C ∠B = ∠C

Question10 : In a right angled triangle, if one acute angle is half the other, then the smallest angle is ?

30° 15° 25°