1 / 4

Areas of Other Figures

Step 1 Separate the irregular figure into familiar figures. Area of the blue rectangle : . A = l w Use the area formula for a rectangle. = ( 10 )( 9 ) Substitute for l and w. = 90 Multiply. COURSE 2 LESSON 8-3. Areas of Other Figures. Find the area of the irregular figure.

dfarmer
Download Presentation

Areas of Other Figures

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Step 1 Separate the irregular figure into familiar figures. Area of the blue rectangle: A =l wUse the area formula for a rectangle. = (10)(9)Substitute for l and w. = 90Multiply. COURSE 2 LESSON 8-3 Areas of Other Figures Find the area of the irregular figure. Step 2 Find the area of each smaller figure. 8-3

  2. 1 2 1 2 1 2 A =h(b1+ b2)Use the area formula for a trapezoid. =(4)(4+9)Substitute h, b1, and b2. =(4)(13)Add. = 26Multiply. COURSE 2 LESSON 8-3 Areas of Other Figures (continued) Area of the green trapezoid: 8-3

  3. 1 2 1 2 A =bhUse the area formula for a triangle. =(8)(9)Substitute b and h. = 36Multiply. Step 3 Add to find the total area. 90 + 26 + 36 = 152 COURSE 2 LESSON 8-3 Areas of Other Figures (continued) Area of the purple triangle: The area of the irregular figure is 152 cm2. 8-3

  4. COURSE 2 LESSON 8-3 Areas of Other Figures Find the area of each figure. 1.2. 148.5 cm2 240 mm2 8-3

More Related