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Unit 9 Pythagoras' Theorem

Total questions: 15

Worksheet time: 18mins

Name
Class
Date
1.

In any triangle, the largest possible angle is a right angle.

a)

True

b)

False

2.

It is not possible to find an obtuse angle in a right-angled triangle.

a)

True

b)

False

3.

The length of the hypotenuse is represented by ...

a)
x
b)
z
c)
w
4.

What is the relation between the three sides of the triangle shown in the figure?

a)

x2+y2=z2x^2+y^2=z^2

b)

x2+z2=y2x^2+z^2=y^2

c)

y2+z2=x2y^2+z^2=x^2

d)

x+z=yx+z=y

e)

Not enough information to tell.

5.

What is the relation between the three sides of the right-angle triangle in the figure?

a)

a2 + b2 = c2

b)

a2 = c2 - b2

c)

a2 - b2=c2

d)

b2 = c2 - a2

6.
What is the length of x?
a)
5
b)
7
c)
8
d)
25
7.
Find x.
a)
35
b)
20
c)
8
d)
12
8.

What is the length of the monitor diagonally in two decimal places ?

a)

32.1

b)

32.10

c)

43.75

d)

43.7

9.

To get from point A to point B you must avoid walking through a pond.  To avoid the pond, you must walk 34 meters south and 41 meters east.  To the nearest meter, how many meters would be saved if it were possible to walk through the pond? 

a)

32

b)
22
c)

21

d)

20

10.
Is this triangle a right triangle?
a)
yes
b)
no
11.

Which of the following are not right angled triangled triangle?

a)

3cm , 4cm , 5cm

b)

18cm, 34cm, 30cm

c)

15cm, 8cm, 17cm

d)

37cm, 35cm, 48cm

12.

In a computer catalog, a computer monitor is listed as being 27 cm. This distance is the diagonal distance across the screen. If the screen measures 15 cm in height, what is the actual width of the screen to the nearest inch?

a)

22 cm

b)

23 cm

c)

24 cm

d)

25 cm

13.

This is an isosceles triangle.

a)

True

b)

False

14.

In the figure, three square plots of land, P, Q and R, connected by a triangular path, are shown.

Which of the following area is/are the largest? Why?

4 lines
15.

What is a question/thought that you have about this chapter on Pythagoras' Theorem?

4 lines