Triangle Quiz

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

45 ° 60 ° 90 °

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

Acute Obtuse Right Angled

Which triangle has all three sides equal in length?

Equilateral Isosceles Scalene

If a triangle has sides equal to 5cm, 4cm and 6cm, then what is the value for its perimeter?

12cm 15cm 30cm

What is the area of a triangle whose altitude and base are 12 cm and 7 cm, respectively?

42cm 35cm 50cm

If O be the circum centre of a triangle PQR and angle QOR = 110°, angle OPR = 25°, then the measure of angle PRQ is

55° 60° 50°

If the two angles of a triangle are 45° and 60°, respectively, then find the third angle.

55° 80° 75°

The sum of all the angles of a triangle is always equal to what degrees?

250° 180° 90°

What is the name of the longest side of a right-angled triangle?

Pythagoras Hypotenoose Hypotenuse

What kind of triangles does the Pythagorean Theorem work with?

Right Isosceles Equilateral

Does an 8, 15, 16 triangle have a Right Angle?

yes no