### Present Remotely

Send the link below via email or IM

• Invited audience members will follow you as you navigate and present
• People invited to a presentation do not need a Prezi account
• This link expires 10 minutes after you close the presentation

Do you really want to delete this prezi?

Neither you, nor the coeditors you shared it with will be able to recover it again.

# Pythagoras and Shorter sides

No description
by

## Mr Mattock

on 25 May 2016

Report abuse

#### Transcript of Pythagoras and Shorter sides

Pythagoras and Shorter sides
L.O. - To find shorter sides in right-angled triangles using Pythagoras' Theorem
Starter
8 cm
3 cm
x cm
Find the length x.

How would your working out process change if you swapped the position of the 8 cm and the x cm?
Shorter sides
P
+
T
=
H
H - P = T H - T = P
2
2
2
2
2
2
2
2
2
11 cm
4 cm
x
cm
Example
5 cm
17 cm
Main Activity 1
Red
Amber
Green
Red
Amber
Green
4 m
12 cm
15 mm
35 km
16 cm
60 km
16.8 cm
3.6 cm
9.39 cm
+
-
Starter
8 cm
3 cm
x cm
Find the length x.

How would your working out process change if you swapped the position of the 8 cm and the x cm?
x = 8.54 cm.

you would subtract 3 from 8 .
2
2
2
2
Example
5 cm
17 cm
17 - 5 = y
289 - 25 = y
264 cm = y
y = 264
y = 16.2 cm
2
2
2
2
2
2
2
Shorter sides
P
+
T
=
H
H - P = T H - T = P
2
2
2
2
2
2
2
2
2
11 cm
4 cm
x
cm
11 - 4 = x

121 - 16 = x
105 = x
x = 105 = 10.2 cm
2
2
2
2
2
Activities
Activity