Essential Understanding You can use trigonometry to find the area of a  regular polygon You can use trig to find the are...
Find the Area of the     Nonagon
 What is the area of a regular pentagon with 4in  sides? Round your answer to the nearest square in. A tabletop has the ...
Finding Area Suppose you want to find the area of a triangle.  What formula could you come up with to find the  area of a...
What is the area of the       triangle
What is the area of the      Triangle?
Homework Pg. 646 #6 – 28 even, 36, 45 – 47 16 problems
10-5 Trigonometry and Area
10-5 Trigonometry and Area
Upcoming SlideShare
Loading in...5
×

10-5 Trigonometry and Area

443

Published on

0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
443
On Slideshare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
Downloads
5
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

10-5 Trigonometry and Area

  1. 1. Essential Understanding You can use trigonometry to find the area of a regular polygon You can use trig to find the area of a triangle when you know the length of two sides and the included angle. Students will be able to find areas of regular polygons and triangles using trigonometry.
  2. 2. Find the Area of the Nonagon
  3. 3.  What is the area of a regular pentagon with 4in sides? Round your answer to the nearest square in. A tabletop has the shape of a regular decagon with a radius of 9.5 in. What is the area of the tabletop to the nearest square inch?
  4. 4. Finding Area Suppose you want to find the area of a triangle. What formula could you come up with to find the area of any triangle using a trig function sinA = h/c h = csinA A = ½(bc)sinA
  5. 5. What is the area of the triangle
  6. 6. What is the area of the Triangle?
  7. 7. Homework Pg. 646 #6 – 28 even, 36, 45 – 47 16 problems
  1. A particular slide catching your eye?

    Clipping is a handy way to collect important slides you want to go back to later.

×