Side Property of Triangle

Q.

If two sides of a triangle are equal , then it has _____ equal angles.

1. two

2. Three

3. one

4. zero

Q.

Sum of the lengths of any two sides of a triangle is always equal to the third side.

1. True

2. False

Q.

In a triangle, the length of the side opposite to the larger angle will be greater than the length of side opposite to smaller angle.

1. True

2. False

Q. In a right angled triangle , the side opposite to the right angle is called the __________

Q.

The time is 3 o'clock. The angle between the two hands of the clock is ___ degrees.

Q. The length of two sides of a triangle is 10cm and 12cm. What can be the length of the third side?

1. 23 cm
2. 15 cm
3. 25 cm
4. 32 cm

Q. Which of the following cannot be the length of the sides of a triangle?

1. 5 cm, 12 cm, 13 cm

2. 3 cm, 4 cm, 5 cm

3. 6 cm, 8 cm, 10 cm

4. 3 cm, 5 cm, 10 cm

Q.

The lengths of two sides of a triangle are 13cm and 16cm. The third side should lie between 'a' cm and 'b' cm for the triangle to be formed. Then the value of a + b = ___ cms.

Q.

The third side of a triangle must be greater than the difference between the other two sides.

1. True

2. False

Q.

In an isosceles triangle, the vertical angle is two-fifth of the base angles, then find the measure of the vertical angle.

1. ${45}^{\circ }$

2. ${30}^{\circ }$

3. ${60}^{\circ }$

4. ${25}^{\circ }$

Q.

If the angles of a triangle are $x^{\circ }$, $2x^{\circ }$​ and $3x^{\circ }$, then the value of x is

1. ${30}^{\circ }$

2. ${70}^{\circ }$
3. ${90}^{\circ }$
4. ${80}^{\circ }$

Q. The angles in a triangle are in the ratio 1:3:5. Find the measure of the largest angle.

Q. The sum of lengths of any two sides of a triangle is always _______ the third side.

1. greater than
2. less than
3. equal to
4. something else

Q. The length of two sides of a triangle are 10 cm and 12 cm. What can be the length of the third side?

1. 21 cm
2. 23 cm
3. 25 cm
4. 27 cm

Q. If the angles of a triangle are $2x^{\circ }$, $3x^{\circ }$​ and $4x^{\circ }$, then find the value of the largest angle.

1. ${40}^{\circ }$
2. ${30}^{\circ }$
3. ${60}^{\circ }$
4. ${80}^{\circ }$

Q.

Name the following triangle in two different ways:

Q.

Classify the triangle (Scalene, isosceles, equilateral) :

$△EFG,EF=3cm,FG=4cm,GE=3cm$

Q. The length of two sides of a triangle are 10 cm and 12 cm. What can be the length of the third side?

1. 21 cm
2. 23 cm
3. 25 cm
4. 27 cm

Q.

If the angles of a triangle are $2x^{\circ },3x^{\circ }$ and $4x^{\circ }$, then x = ___

1. ${80}^{\circ }$

2. ${60}^{\circ }$

3. ${40}^{\circ }$

4. ${20}^{\circ }$

Q. The sides of a triangle have lengths(in cm) 10, 6.5 and a, where a is a whole number. Find the minimum and maximum value of 'a', which it can take.

Q.

$\text{ABC is a triangle such that AB = 10 cm}\text{and AC = 3 cm. Which of the following}\text{statements are true?}$

1. $BC>7cm$

2. $BC=6cm$

3. $BC<13cm$

4. $BC=14cm$

Q.

State whether the statement is true or false.
The third side of a triangle must be greater than the difference between the other two sides.

1. True

2. False

Q. The sides of a triangle have lengths (in cm) as 10, 6.5, and a, where a is a prime number. Find the maximum value of 'a', which it can take.
[2 Marks]

Q.

Sum of two sides in a triangle is greater than the third side.

1. False

2. True

Q. In $\Delta$ PQR, PQ = 4 cm, QR = 7 cm and PR = 5 cm, then the largest angle of the triangle is ______.

1. $\angle$Q
2. $\angle$P
3. $\angle$R and $\angle$Q
4. $\angle$R

Q. In a right angled 🔺 , the opposite side to it is called ______
I didn't got the answer of this question

Q.

The length of two sides of a triangle is 3 cm and 4 cm. Which of the following integral values can the third side take?

1. $1$

2. $4$

3. $6$

4. $7$

Q.

Which of the following could represent the sides of a triangle?

1. 3, 4, 5

2. 1, 2, 3

3. All of these

4. 2, 4, 6

Q. The angles of triangle are $(3x{)}^o,(2x-7{)}^o,and(4x-11{)}^o$. Find $x$

Q.

Name the following triangle in two different ways: