Ray

Q.

Two complementary angles differ by $12$degrees, find the angles.

Q. The shortest distance between any two points is termed as a .

1. Ray
2. Line
3. Line segment

Q.

Which of the following is not an undefined term?

1. line

2. angle

3. plane

4. point

Q.

Q.

A line through two points $A$ and $B$ is written as _______

Q. Choose the correct option for 'a' and 'b' respectively from those given below: ${10}^2$ + $a^2$ = $b^2$

1. 25, 26
2. 24, 26
3. 22, 23
4. 23, 24

Q. What is the value of 2(x + y) in degrees?

1. 260

Q.

If , $\underset{\mathrm{PQ}}{\to }$ is a ray,

(a) What is its starting point ?

(b) Where does the point $\mathrm{Q}$ lie on the ray ?

(c) Can we say that $\mathrm{Q}$ is the starting point of this ray ?

Q. The following figure represents ________.

1. a line
2. a line segment
3. a ray
4. a point

Q. Use the given figure to name the following:

(I) A line
(II) Three rays
(III) Two line segments
(IV) An angle

[2 marks]

Q.

Length of a line segment can be made infinite.

1. True

2. False

Q.

If 6, 8 and c form a Pythagorean triplet with 6 being the smallest number then find the value of c.

1. 4

2. 5

3. 7

4. 10

Q.

A ______________ does not have definite length

Q.

In the given figure, $\angle x={20}^{\circ },\angle y={160}^{\circ },\angle w={105}^{\circ },\angle z={75}^{\circ }$

Which of the following is correct?

1. Ray m and ray n are opposite rays

2. Ray l and ray n are opposite rays

3. Ray p and ray n are opposite rays

4. Ray l and ray m are parallel

Q. In a pair of complementary angles, if one angle is decreased then other angle must so that both the angles still remains complementary.

1. Increase
2. Decrease
3. Equal
4. Remains same

Q.

On Diwali, Ted’s mom made a colorful rangoli as shown in the figure. The bigger square measured 30 cm by 30 cm and the smaller square measured 15 cm by 15 cm. What was the area of the orange colored part?

1. $375c{m}^2$

2. $825c{m}^2$

3. $1125c{m}^2$

4. $675c{m}^2$

Q.

Question 57

State whether the statement is True or False.

Two right angles are complementary to each other.

Q. Two angles are said to be complementary if their sum is ____ degrees

1. 180
2. 90
3. 60
4. 120

Q.

In the given figure

$AB\parallel DCandAD\parallel BC$

$\angle ADC=(2x+5{)}^{\circ }and\angle BCD=(3x+55{)}^{\circ }$

then x = ?

1. ${28}^{\circ }$

2. ${45}^{\circ }$

3. ${20}^{\circ }$

4. ${24}^{\circ }$

Q. Identify the red part in the given figure:

1. Ray
2. Line segment
3. Line
4. Point

Q.

Which of the following statements is true?

1. Every ray has definite length

2. Every line has definite length

3. Every line segment has definite length

4. Every point has a definite length

Q.

When two lines intersect a third line perpendicularly, what is the relation between the two lines?

Q.

How many degrees are in the sum of the measures of complementary angles?

Q.

A ray extends infinitely in ___ direction(s).

1. One

2. Two

3. Three

4. Four

Q.

For what value of$x$ , two angles $(x+7)°$ and$(2x+11)°$are complementary ?

Q.

A ray OC is constructed on the line segment AB such that ∠BOC is x${}^{\circ }$. ∠AOC is

1. x${}^{\circ }$
2. 90 - x${}^{\circ }$
3. 180 - x${}^{\circ }$
4. 360 - x${}^{\circ }$

Q. In the given figure, the area of the square DEBF and the area of the parallelogram ABCD are __ and __ respectively.

1. 1600sq.m, 2800sq.m
2. 2800sq.m, 1600sq.m
3. 4900sq.m, 3500sq.m
4. 1600sq.m, 3500sq.m

Q. Which of the following angles is the complement of 30$°$?

1. 40$°$
2. 60$°$
3. 90$°$
4. 150$°$

Q. Match the following figures with their corresponding mathematical relation between the angles.

1. 1+2+3=${180}^{\circ }$
2. 1 = ${60}^{\circ }$
3. 5+4= ${120}^{\circ }$

Q.

In the given figure, AB || DE. $\angle$A = 43${}^{\circ }$ and $\angle$BDE = 57${}^{\circ }$. The value of $\angle$x is ________.

1. 34${}^{\circ }$

2. 43${}^{\circ }$

3. 75${}^{\circ }$

4. 57${}^{\circ }$