Composite+Areas

 Try the activity from the website below. Area Now attempt the questions below. 1. Use the formula to calculate the area of these sectors:  2. Calculate the shaded area of the following figures. All measurements are in metres.  3. Calculate the area of each of the following figures, correct to 2 decimal places. All measurements are in centimetres.  4. Calculate the area of each of the following composite figures:  5. Calculate the area of the following figures. All measurements are in metres.  Try the activity from the website below. Area & Perimeter <span style="font-family: 'Comic Sans MS',cursive; font-size: 150%;">Now continue with the questions below. <span style="color: #008000; font-family: 'Comic Sans MS',cursive; font-size: 150%;">6. A bricklayer is asked to build a wall 10.5m long and 1.6m high. The wall is rectangular in shape. <span style="color: #008000; font-family: 'Comic Sans MS',cursive; font-size: 150%;">a) Calculate the area of the wall. <span style="color: #008000; font-family: 'Comic Sans MS',cursive; font-size: 150%;">b) If it is known that there are approximately 40 bricks per square metre, how many bricks are there in the wall? <span style="color: #008000; font-family: 'Comic Sans MS',cursive; font-size: 150%;">c) Calculate how much the bricks will cost if they are priced at $250 per thousand.  <span style="color: #000080; font-family: 'Comic Sans MS',cursive; font-size: 150%;">7. The diagram shows four garden beds, 3.4m long and 1.8m wide, surrounded by paving bricks.  <span style="color: #000080; font-family: 'Comic Sans MS',cursive; font-size: 150%;">a) Calculate the area of the garden beds. <span style="color: #000080; font-family: 'Comic Sans MS',cursive; font-size: 150%;">b) Calculate the paved area. <span style="color: #000080; font-family: 'Comic Sans MS',cursive; font-size: 150%;">c) Calculate the number of bricks needed to pave the area (rounding up to the nearest hundred) if a brick is 225mm by 112mm. <span style="font-family: 'Comic Sans MS',cursive; font-size: 150%;">
 * __<span style="font-family: 'Comic Sans MS',cursive; font-size: 150%;">Composite Areas __** <span style="font-family: 'Comic Sans MS',cursive; font-size: 150%;">Open this file and save it to your laptop for the notes on today's lesson.