Geometric Constructions - Olympiad Level MCQ, Class 9 Mathematics - Class 9 MCQ

The triangle formed by AB = 3 cm, BC = 4 cm, AC = 8 cm is :-

If two angles is a triangle are 65° and 85°, then the third angle is :-

If one angle is the average of the other two angles and the difference between the greatest and least angles

is 60°, then the formed triangle is :-

In ΔABC, if AB = BC and ∠ B = 80° then ∠ C =

The triangle formed by BC = AC = 7.2 cm and ∠ C = 90° is

Which of the following statement is false ?

The length of the hypotenuse of a right angled triangle whose two legs measure 12 cm and 0.35 m is :-

If the two legs of a right angled triangle are equal and the square of the hypotenuse is 100 then the length of each leg is :-

Two sides of an isosceles triangle are 5 cm and 6 cm. Then the length of the third side is :-

In a ΔPQR, PQ = PR and ∠Q is twice that of ∠P. Then ∠Q =

If two sides of an isosceles triangle are 3 cm and 8 cm, then the length of the third side is :-

If in a ΔABC, ∠A = 60° and AB = AC then ΔABC is :-

Two sides of a triangle are 7 and 10 units. Which of the following length can be the length of the third side?

In a ΔABC, if AB + BC = 10 cm, BC + CA = 12 cm, CA + AB = 16 cm, then the perimeter of the triangle

is :-

In the following figure if AB = AC then find ∠ x :-
 

In a ΔABC, if ∠A = ∠B + ∠C then ∠A = ...........

If a, b and c are the sides of a triangle, then :-

If the angles of a triangle are in the ratio 1 : 2 : 7 then the triangle is :-

A triangle always has :-