Triangles MCQs with Answers

If one angle of an isosceles triangle is $68^\circ$, then the possible values of the second angle are:

• A.$56^\circ$ only
• B.$56^\circ$ or $68^\circ$
• C.$44^\circ$ or $68^\circ$
• D.$44^\circ$ or $56^\circ$

The greatest angle is opposite to?

• A.Greatest side
• B.Smallest side
• C.Equal sides
• D.None of these

Past Paper MCQ

The angle of elevation of a ladder leaning against a wall is $60^\circ$ and the foot of the ladder is $12.4$ m away from the wall. The length of the ladder is:

• A.$12.4$ m
• B.$24.8$ m
• C.$21.5$ m
• D.$6.2$ m

Which of the following statements is true about the points $A(-4, -2)$, $B(1, 4)$ and $C(6, 11)$?

• A.The points are collinear
• B.The points form a scalene triangle
• C.The points form an isosceles triangle
• D.The points form an equilateral triangle

A kite flying at a height of $67.2$ m is attached to a string that makes an angle of $31^\circ$ with the horizontal. The length of the string is:

• A.$120.00$ m
• B.$134.40$ m
• C.$126.75$ m
• D.$130.49$ m

What is the value of $\sin 30^\circ$?

• A.$\frac{\sqrt{3}}{3}$
• B.$\frac{\sqrt{3}}{2}$
• C.$\frac{1}{\sqrt{2}}$
• D.$\frac{1}{2}$

Hero's formula is used for finding the area of a ?

• A.Rectangle
• B.Circle
• C.Triangle
• D.Square

If two sides of a triangle are $6$ cm and $14$ cm, what are the limiting values of the third side?

• A.$0 < x < 20$
• B.$6 < x < 14$
• C.$8 \leq x \leq 20$
• D.$8 < x < 20$

A triangle has sides $30$ and $70$. What can be the third side?

• A.$40$
• B.$50$
• C.$100$
• D.$110$

According to the Pythagoras theorem, in a right-angled triangle, the hypotenuse $c$ is equal to _?

• A.$a + b$
• B.$a^2 + b^2$
• C.$\sqrt{a^2 - b^2}$
• D.$\sqrt{a^2 + b^2}$