Name: PaperBanao
Price: 1000 PKR

Your school name

9th Class Mathematics Chapter 6 Test

9th Class · Mathematics · Punjab (PTB)

Name: ____________Roll No: ________Class/Section: ________Date: ________Total marks: 30Time: 40 minutes

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

Convert radians to degrees.
What is the measure of a right angle in radians?
The value of in radians:
4. 1.11
Co-terminal of :
Convert 45^o 45' 45'' to decimal degrees.
1. 45.1234^o
2. 45.4567^o
3. 45.7625^o
4. 45.9876^o
Convert 15^oto radians.
Convert to degrees, minutes, and seconds.
Reciprocal of sin
1. sec
2. cosec
3. cot
4. tan
In a right-angled triangle, if one side is 2 cm and the hypotenuse is 4 cm, what is the length of the other side?
1. 3 cm
2. 20 cm
3. cm
4. 4 cm
What is the measure of a straight angle in radians?

Q2. Short questions (Attempt any 6 of 8 · 6 × 2 = 12)

Find in which quadrant the following angles lie. Write a co-terminal angle for the following:
Convert the following into decimal degrees:
Convert degree to radian:
How many trigonometric ratios names write.
Find the value of the following trigonometric ratios without using the calculator:
Convert the following into degrees, minutes, and seconds:
Convert to degrees, minutes and seconds.
If arc length of a sector of radius 5 cm is 11 cm, find the angle subtended by the arc in radians and degrees.

Find the unknown side and angles of the following triangle.
A ladder makes an angle of 60^o with the ground and reaches a height of 10m along the wall. Find the length of the ladder.
Find the measure of an angle of elevation of the Sun, if a tower 300m high casts a shadow 450 m long.