Day 59
1. Opener
a) What is the shaded area?
13
b) What is the unshaded area?
5
5
7
3
9
14
c) The area of this isosceles triangle is
300. Find the perimeter.
25
15
d) A quadrilateral has one pair of opposite sides congruent, the
other pair not congruent, and a pair of opposite angles that are
supplementary. What is this figure, and how do you know?
e) How many minutes per week does the average kid watch TV?
2. Race Car Math
1. Answer a question
2. Steer the car for 10 seconds.
3. Touch the opposing team’s trash can to score a goal.
3. Race Car Math
1. This is a rectangle. Its area is 78 square centimeters.
How tall is it?
6 cm.
6 cm.
13 cm.
2. This is a parallelogram. It’s area is 760 square feet.
What is its perimeter?
40 ft.
104 ft.
24 ft.
19 ft.
40 ft.
24 ft.
3. Race Car Math
3. These kites have the same area. What is the length of
the missing diagonal?
4 cm.
30 sq.
cm.
15 cm.
4. This is a trapezoid. Its area is 39 square ft. What is its
height?
25 ft.
1.5 ft.
1.5 ft.
27 ft.
6. Race Car Math
5. How many months don’t have an “R”?
4: May, June, July, and August.
6. How many days of the week have an “N”?
3: Sunday, Monday, and Wednesday.
3. Race Car Math
7. This triangle is isosceles. What is its perimeter?
34 mm.
8. What is its area?
Not enough information.
22.5 square mm.
100 mm.
42 mm.
100 mm.
43 mm.
6. Race Car Math
9. How many of the Teenage Mutant Ninja Turtles
have a “D” in their name?
2: Leonardo and Donatello
10. Which of the following is not a pizza topping at
Round Table Pizza?
Hickory Sausage,
Linguica,
Green Olives,
Shrimp
3. Race Car Math
11. What is the shaded area of the rectangle? (Not even a
little to scale.)
5
13
3
15
39
3
7
35
91
7
5
13
4. Break
5. Show and Tell
6. Notes - Area of Regular Polygons
s = 10 cm.
a = 7 cm.
A = 245 square cm.
7 cm.
10 cm.
6. Notes - Area of Regular Polygons
n = Number of Sides
p = Perimeter
s = Side Length
a = Apothem
Pentagon Facts
1. The largest office building in the
world.
2. 284 bathrooms
3. 634 feet from Ground Zero to the
E-Ring.
4. Covers 1,459,785 square feet.
Pentagon Questions
1. How far is it around the E-Ring?
2. At 5 feet/sec, how long would it
take you to walk the length of the
E-Ring?
7. Classwork
pg. 427 // #1 - 8, 12, 14 (skip 6)
8. Answers
1.
2.
3.
4.
2091.6 sq. cm.
74 cm
256 cm
33 sq. cm.