50°
19°
Vertically opposite
110°
50°
30°
𝜒
=4
3
𝜒 = 12
P = 2r + h + 2r +h
P = 4r + 2h
1
5
5x1 +2
5x2 +2
5x3 +2
7
12
17
2 x 3² x 5²
3n - 1
70 x £4 = £280
3cm x 2cm =6cm²
3cm x 2cm =6cm²
5cm x 5cm =25cm²
12
25
c
a
a
1
4
4p (p – 2)
5
7
+8 =8
1
8
= 6hours
8
8
= 48hours
50%
0.75
75%
5
x3
12 : 2
36 : 6
x2.5
12 : 350
x3
0.97
3
100
2
x2.5
30 : 875
97
100
4
0
%
%
3%
1
3
4
4
+ =
midpoint
300 x 1.12
1
= 336
3
5
7
9
1
1
1
50
Mid x f
19
36
40
49
36
1
1
1
4
0
1
1
180
4
0
1
180 ÷ 50 = 3.6
60°
x
3
= 336
football
x
43
160
= 0.26875
3
= 336
90
x
48
=
12
360
38
160
60
x
360
48 = 8
x
= 336
3
38
160
= 0.2375
0.2375 x 1200 = 285
x
= 0.2375
= 336
3
c
a
a
v – 20 = 5t
𝑣−20
5
=t
or
𝑣
5
-4=t
162°
= 336
Obtuse
Angles on a straight line = 180°
105°
1
3
6cm
Scalene
6cm
48cm²
48cm²
c
a
a
16
180
30
180
19
180
x 360 = 32°
x 360 = 60°
x 360 = 38°
18
90
360
x 180 = 45
1
4
4
2
=
2
8
c
2
−4
60°
𝑎𝑙𝑡𝑒𝑟𝑛𝑎𝑡𝑖𝑣𝑒 𝑎𝑛𝑔𝑙𝑒𝑠 𝑎𝑟𝑒 𝑒𝑞𝑢𝑎𝑙
p
180° - 55° - 60° = 65°
R
13m
1.5m
Rotation 90° anti clockwise about the origin
69m
1.5m
7m
1.5m
13m x 13m = 169m²
7m x 1.5m = 10.5m²
169m – (4 x 10.5m²) = 127m²
c
68°
95°
Area = ∏r²
44cm
Area = 3.14 x 22²
95°
Area = 1519.76cm²
1,519.76cm² x 120cm = 182,371.2cm²
68°
Alternate angles are equal
182,371.2cm² ÷ 1,000 = 182.37 litres
182.37 litres ÷ 20 = 9.12 minutes
95°
Angles in a triangle add up to 180°
and vertically opposite
96m x 287m =27,552m²
Metres
Litres
Grams
27,552m² ÷ 10,000 = 2.7552 hectares
= 2.8 hectares