2. Find the height
of the pole where Practice
the guy wire is Question 4 10m
attached, to the ? Guy
Wire
nearest tenth of
a metre. Pole
2m
2 2 2
a+b=c 100 - 4 = 96
2 2 2
a + 2 = 10
A + 4 = 100 96 = 9.8
This height of the of the
pole is 9.8m.
3. What is the
height of the Apply The height of
wheelchair ramp? Question 7 the ramp is
Give our answer 12.6 cm.
to the nearest
tenth of a 80 cm
centimeter.
79 cm
2 2 2
a+b=c
2 2 2
a + 79 = 80
A + 6241 = 6400
6400 – 6241 = 159
159 = 12.6
4. Extend
Sarah has a vegetable 4m
garden in the shape of
a right triangle. She
wants to put fencing
all around it to keep
Question 12
the rabbits away.
a. What total length 2 2 2
of fencing does a + b =c 16 – 9 = 7
she need? Give 2 2 2
your answer to the a+3=4 4m + 3m +2.6m = 9.6m
nearest hundredth 7 = 2.6
A + 9 = 16
of a metre.
The total length of fencing she needs is 9.6 metres.
b. If fencing cost
$2/m, what will be
9.6 X $2 = $19.20
the total cost of
the fencing?
The total cost of fencing is
$19.20.
