Activity 1
1. Create a trapezoid
2. Divide the trapezoid into two triangles
3. Determine the area of both triangles.
4. Add the areas to determine the are of the trapezoid.
Activity 2
1. Create a trapezoid
2. Use the trapezoid formula to determine the area of a trapezoid.
A = (Base 1 + Base 2)H/2
*****LOOK AT THE BACK BOARD TO SEE THE FORMULA A DIFFERENT WAY******
9 comments:
1. Trapezoid 1:
Base1:10
BAse2:4
Height:4
Area:28
2. Trapezoid 2:
Base1:10
Base2:6
Height:4
Area:32
base 1 is 13
base 2 is 12
height is 2
area is [ b1 + B2 ] h
-----------
2
[13+12]2
--------
2
area is 25
Trapezoid 1: Base 1: 10, Base 2: 5, Height: 4, Area: 30.0 square units.
Trapezoid 2: Base 1: 7, Base 2: 3, Height: 3, Area: 15 square units.
2 TRAPEZOIDS
1) b1 is 8x6=48
b2 is 8x22=176
176+48=224
h is 224
area is 112
1.
trapeziod
B1 is 6
B2 is 14
H is 4
Area is 10
1. B1 is 4 square units long.
2. B2 is 7 square units long.
3. The H is 3 square units long.
BASE 1:8
BASE 2:8
HEIGHT:4
AREA:8
B1 is 9
B2 is 15
H is 7
A is 42
1. B1 is 10 sq units. B2 is 7 sq units. H is 5. Area is 42.5.
2. B1 is 15. B2 is 9. H is 5. Area is 60 sq units.
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