Isosceles Triangle

Q. In the adjoining figure the value of x is?

1. 29

Q. If exactly two sides of the triangle are equal, then the triangle is ___.

1. equilateral
2. isosceles
3. scalene
4. right-angled

Q. Which triangle whose two sides are equal length

Q.

In a triangle, the angle opposite to the $—$is the greatest angle.

Q. What is the type of triangle shown below?

1. Right angled scalene triangle
2. Right angled scalene triangle
3. Obtuse angled scalene triangle
4. Right angled isosceles triangle

Q. In the figure, AB = AC and AD || BC find the value of y + z - x.

1. 40

Q.

If two sides of a triangle are equal, then the triangle is called …………………. triangle.

1. an equilateral

2. an isosceles

3. a scalene

4. a right-angled

Q.

If there are at least two sides equal in a triangle, it can be

1. Both A & C

2. Isosceles triangle

3. Scalene triangle

4. Equilateral triangle

Q.

In $△ABC$, $AB=AC$ and $\angle B={40}^{\circ }$. What is the value of $\angle C$?​​​​​​​

1. ${20}^{\circ }$

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

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

4. ${50}^{\circ }$

Q.

An isosceles triangle is one in which ___ sides are equal. [Write a number]

Q. How many isosceles triangles can be drawn having its angles as ${53}^o,{63}^o$?

Q. In a triangle ABC, $AB=AC$ and $\angle$B = 30${}^{\circ }$. Then value of $\angle A$ is .

1. ${20}^{\circ }$
2. ${60}^{\circ }$
3. ${120}^{\circ }$
4. ${50}^{\circ }$

Q. Which triangle whose two sides are equal length

Q. In $△ABC$, $AB=AC$ and $\angle B={40}^{\circ }$. What is the value of $\angle C$(in degree)?

1. 40

Q.

In triangle ABC, if $BC=AC$ and $\angle B={40}^{\circ }$. Then $\angle C$ is equal to

___ degrees.

Q.

In an equilateral triangle, the sides are ___ in length.

Q. Find the value of x.

1. ${90}^{\circ }$
2. ${30}^{\circ }$
3. ${120}^{\circ }$

4. ${60}^{\circ }$

Q. What is the type of triangle shown below?

1. Right angled isosceles triangle
2. Obtuse angled scalene triangle
3. Right angled scalene triangle
4. Right angled scalene triangle

Q. Match each triangle with the number of sides which are equal in length.

1. 3
2. 2 or 3
3. \N

Q. In $△ABC$, $AB=AC$ and $\angle B={40}^{\circ }$. What is the value of $\angle C$(in degree)?

1. 40

Q.

In triangle ABC, if $BC=AC$ and $\angle B={40}^{\circ }$. Then $\angle C$ is equal to

___ degrees.

Q.

Draw arough sketch of a triangle ABC. Mark a point P in its interior and apoint Q in its exterior. Is the point A in its exterior or in itsinterior?

Q. What is the type of triangle shown below?

1. Right angled scalene triangle
2. Acute angled isosceles triangle
3. Obtuse angled scalene triangle
4. 
   Acute angled scalene triangle

Q. Explain the following terms:
(i) Triangle
(ii) Parts or elements of a triangle
(iii) Scalene triangle
(iv) Isosceles triangle
(v) Equilateral triangle
(vi) Acute triangle
(vii) Right triangle
(viii) Obtuse triangle
(ix) Interior of a triangle
(x) Exterior of a triangle.

Q. Explain the following terms:
(i) Triangle
(ii) Parts or elements of a triangle
(iii) Scalene triangle
(iv) Isosceles triangle
(v) Equilateral triangle
(vi) Acute triangle
(vii) Right triangle
(viii) Obtuse triangle
(ix) Interior of a triangle
(x) Exterior of a triangle.

Q. In $△ABC$, $AB=AC$ and $\angle B={40}^{\circ }$. What is the value of $\angle C$(in degree)?

1. 40