Slide 1

5 Minute Check Find the area. Complete on the back of your homework. 1. 2. 3. 4. Slide 2 5 Minute Check Find the area. Complete on the back of your homework. 1. Slide 3 5 Minute Check Slide 4 Find the area. Complete on the back of your homework. 2. Slide 5 5 Minute Check Find the area. Complete on the back of your homework. 2. A = 10ft 5ft = 50ft Slide 6 5 Minute Check Find the area. Complete on the back of your homework. 3. Slide 7 5 Minute Check Find the area. Complete on the back of your homework. 3. A = 11m 7m = 77m Slide 8 5 Minute Check Find the area. Complete on the back of your homework. 4. Slide 9 5 Minute Check Find the area. Complete on the back of your homework. 4. A = 2.6cm 5.1cm = 13.26cm Slide 10 Flashcards Slide 11 Monday, Feb 3 Chapter 9.2 Area of Triangles Slide 12 Objective: To find area of triangles. Slide 13 Area of Triangles At the end of this lesson you should be able to answer the following question. How is finding the area of a triangle related to to finding the area of a parallelogram? Slide 14 Area of Triangles If we have a rectangle that is 6in by 4in, what is the area? 4in 6in Slide 15 Area of Triangles If we have a rectangle that is 6in by 4in, what is the area? A = bh 4in A = 6in 4in A = 24in 6in Slide 16 Area of Triangles If we have a rectangle that is 6in by 4in, what is the area? A = bh 4in A = 6in 4in A = 24in 6in If we cut the rectangle in half to make two triangles, what is the area of each triangle? Slide 17 Area of Triangles If we have a rectangle that is 6in by 4in, what is the area? A = bh 4in A = 6in 4in A = 24in 6in If we cut the rectangle in half to make two triangles, what is the area of each triangle? 24in 2 halves = 12in Slide 18 Area of Triangles If we have a rectangle that is 6in by 4in, what is the area? A = bh 4in A = 6in 4in A = 24in 6in 24in 2 halves = 12in Can you write formula that can determine the area of a triangle? Slide 19 Area of Triangles Slide 20 Congruent figures are figures that have the same shape and size. Slide 21 Area of Triangles Congruent figures are figures that have the same shape and size. Dividing a parallelogram from corner to corner makes two congruent triangles. Slide 22 Area of Triangles Find the area of the triangle. Do this on your own. Slide 23 Area of Triangles Slide 24 Find the area of the triangle. Do this on your own. Slide 25 Area of Triangles Slide 26 Find the area of the triangle. Do this on your own. Slide 27 Area of Triangles Slide 28 Consuela made a triangular box as shown. What is the area of the top of the box? Do this on your own. Slide 29 Area of Triangles Slide 30 What is the area of the white section in the flag? Do this on Your own. Slide 31 Area of Triangles Slide 32 Agenda Notes Homework Homework Practice 9-2 Due Thursday, Feb 6 Mid-Chapter 9 Quiz Friday, Feb 7