Download presentation

Presentation is loading. Please wait.

Published byArlene Duffel Modified over 3 years ago

1
Finding the area of curved irregular shapes LEAVING CERTIFCATE ORDINARY & HIGHER LEVELS

2
Find the area of your shape 1A Work as accurately as you can in centimetres!

3
You found the area of an A4 page! 1A 1B

4
Trapezoidal Rule

5
2 m 2.4 m (a)Find the area of the stained glass window. (b)Draw a scaled diagram of the window using 1 m = 5 cm on square paper. (c)Divide the shape up into: (i)4 trapezium's (ii)5 trapezium’s (ii)10 trapeziums and calculate the area of the window each time, (using the trapezium’s). (d)Which part produced the smallest error and why?

7
Formula and Tables Page 12 What do all the terms in the formula mean?

10
Derivation of the formula

11
Trapezium Rule Why Trapezoidal Rule rather than Simpson’s Rule? 1. Easier to derive and understand what is going on. 2.Area of a trapezium is on Strand 3 for Ordinary Level students from 2015. (N.B. It is on for Foundation Level in 2014) 3. For many practical cases it (the Trapezoidal rule) is accurate enough.

12
2002

13
2013 HL

15
Other Methods

Similar presentations

OK

Holt Geometry 9-3 Composite Figures Warm Up Find the area of each figure. 1. a rectangle in which b = 14 cm and h = 5 cm 2. a triangle in which b = 6 in.

Holt Geometry 9-3 Composite Figures Warm Up Find the area of each figure. 1. a rectangle in which b = 14 cm and h = 5 cm 2. a triangle in which b = 6 in.

© 2018 SlidePlayer.com Inc.

All rights reserved.

Ads by Google

Ppt on atomic structure and chemical bonding Ppt on complex numbers class 11th Ppt on regular expression cheat Monopolistic competition short run ppt on tv Multifunction display ppt online Ppt on muhammad ali jinnah Ppt on special types of chromosomes in human Ppt on acid-base titration lab answers Ppt on bluetooth architecture overview Jit ppt on manufacturing engineering