Ch 9 - Rosshall Academy

©TeeJay Publishers
Homework for Level C book
Ch 9 - Angles
Chapter 9
Angles
Exercise
1
Percentages
1.
Write YES or NO to show which of these are right angles.
(You may use a template).
a
2.
b
c
*
Trace or make a (neat) sketch
of the shape shown opposite.
Mark (with a *) all 10 right angles.
3.
Decribe each angle below by using one of the following from this list :–
right angled
bigger than a right angle
smaller than a right angle
a
b
c
d
e
f
this is chapter 9
page 42
Angles
©TeeJay Publishers
Homework for Level C book
Ch 9 - Angles
Exercise 2
1.
How many degrees are there in a :–
a
2.
complete turn
half turn
c
quarter turn ?
How many degrees does the minute hand move through on these clock faces :–
a
11 12
b
2
9
6
2
6
2
9
4
7
1
10
3
8
5
11 12
1
9
4
8
c
10
3
7
11 12
1
10
3.
b
3
4
8
5
7
6
5
How many degrees would the minute hand sweep through when it
moves clockwise from the :–
a
4 round to the 7
b
1 round to the 7
c
8 round to the 5 ?
Exercise 3
1.
Use a word from the list below to describe each angle :–
acute
a
d
this is chapter 9
right
obtuse
straight
b
c
e
f
page 43
Angles
©TeeJay Publishers
2.
Homework for Level C book
Write down what TYPE of angle is shown by the letters a, b, c, d and e ?
c°
a°
3.
Ch 9 - Angles
d°
e°
b°
Write down whether these angles are acute, obtuse, right or straight :–
a 50°
b 95°
c 160°
d 90°
e 180°
f 89°
Revision Exercise
1.
Decide if each angle below is right angled, bigger than a right angle or
smaller than a right angle :–
a
2.
right angle
3 round to the 9
complete turn
c
straight angle ?
b
5 round to the 8
c
11 round to the 8 ?
11 12 1
10
2
9
3
4
8
7
6
5
Use a word from - acute, obtuse, right or straight to describe each angle:–
a
5.
b
How many degrees does the minute hand of a clock turn through
(clockwise) when it moves from the :–
a
4.
c
How many degrees are there in a :–
a
3.
b
b
c
Say whether these angles are acute, right, obtuse or straight :a 5°
this is chapter 9
b 180°
c 90°
d 170°
page 44
e 91°
f 81°
Angles