Interior Angles

Q.

Match the following:

$\begin{array}{cc}\text{a. Interior angles on the same}\text{side of the transversal}& \text{(i) 1 – 5, 2 – 6, 3 – 7 and 4 – 8}\\ \text{b. Alternate exterior angles}& \text{(ii) 4 – 6, 3 – 5}\\ \text{c. Corresponding angles}& \text{(iii) 1 – 7, 2 – 8}\\ \text{d. Alternate interior angles}& \text{(iv) 3 – 6, 4 - 5}\end{array}$

1. a – iv, b – ii, c – iii, d - i

2. a – iv, b – iii, c – i, d - ii

3. a – iii, b – iv, c – i, d - ii

4. a – iii, b – iv, c – ii, d - i

Q.

Which of the following statements are true with respect to a triangle?

1. The line segments that form a triangle are called the sides of the triangle.

2. Each angle of the figure is ${60}^{\circ }$

3. A triangle is a plane closed figure bounded by three line segments.

4. All the line segments are equal.

Q.

Which of the following statements are true with respect to a square?

1. A square is a plane closed figure bounded by four line segments

2. The four line segments of square are equal in length

3. Each angle of square is ${90}^{\circ }$

4. All the above

Q.

Which one of the following is not correct?

1. Two parallel lines never meet.

2. If two parallel lines are intersected by a transversal, then corresponding angles are equal.

3. If two lines are intersected by a transversal, then the sum of the interior angles on the either side of transversal is .

4. If two parallel lines are intersected by a transversal, then alternate angles are equal.

Q.

Match the following:

$\begin{array}{cc}\text{a. Interior angles on the same}\text{side of the transversal}& \text{(i) 1 – 5, 2 – 6, 3 – 7 and 4 – 8}\\ \text{b. Alternate exterior angles}& \text{(ii) 4 – 6, 3 – 5}\\ \text{c. Corresponding angles}& \text{(iii) 1 – 7, 2 – 8}\\ \text{d. Alternate interior angles}& \text{(iv) 3 – 6, 4 - 5}\end{array}$

1. a – iv, b – ii, c – iii, d - i

2. a – iv, b – iii, c – i, d - ii

3. a – iii, b – iv, c – i, d - ii

4. a – iii, b – iv, c – ii, d - i

Q. Every equilateral triangle is also ________ triangle.

1. an isosceles
2. an obtuse angled
3. a right angled
4. a scelene

Q.

Match the following:

$\begin{array}{cc}\text{a. Interior angles on the same}\text{side of the transversal}& \text{(i) 1 – 5, 2 – 6, 3 – 7 and 4 – 8}\\ \text{b. Alternate exterior angles}& \text{(ii) 4 – 6, 3 – 5}\\ \text{c. Corresponding angles}& \text{(iii) 1 – 7, 2 – 8}\\ \text{d. Alternate interior angles}& \text{(iv) 3 – 6, 4 - 5}\end{array}$

1. a – iv, b – ii, c – iii, d - i

2. a – iii, b – iv, c – ii, d - i

3. a – iv, b – iii, c – i, d - ii

4. a – iii, b – iv, c – i, d - ii

Q.

In the figure given below identify interior angles.

1. $\angle$3, $\angle$4, $\angle$5, $\angle$6.

2. $\angle$1, $\angle$2, $\angle$8, $\angle$7.

3. $\angle$3, $\angle$2, $\angle$5, $\angle$6.

4. $\angle$1, $\angle$2, $\angle$3, $\angle$4.

Q.

Given two parallel lines and a transversal, which of the following pair of angles are equal?

1. Co-interior angles

2. Alternate interior angles

3. Adjacent angles

4. Alternate exterior angles