Geometry and the Coordinate Grid SWBAT use the coordinate grid to find polygon’s area and perimeter.

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Presentation transcript:

Geometry and the Coordinate Grid SWBAT use the coordinate grid to find polygon’s area and perimeter.

1. The dimensions of Joe’s rectangular garden are 18 feet by 12 feet. Joe wants to conduct an experiment to determine whether using fertilizer in the garden makes a difference. The fertilizer costs $0.45 per square foot of ground covered. How much will it cost to cover half of the garden with fertilizer? A) $216.00B) $97.20C) $48.60D) $ A right triangle has measurements of 8 in., 15 in., and 17 in. What is the area of the right triangle? A) 60 sq inB) 68 sq inC) 120 sq inD) 136 sq in 3. A middle school is selling rolls of wrapping paper for a fundraiser. The school earns $5.00 for each roll of wrapping paper sold. If the school needs to raise $3,000, what is the minimum number of rolls of wrapping paper that need to be sold? 4. Where is the point x located on the number line? -3 x-2-101

Plotting Points Plot the following points and connect them in the order given. Use the coordinates to find the length of each side. A (4,2)B (-2, 2) C (-2, -2)D (4, -2)

Plotting Points Plot the following points and connect them in the order given. Use the coordinates to find the length of CD. A (6, 8)B (-3, 8)C (-3, -1) D (6, -1)

Polygons on the grid Plot the following points and connect them in the order given. What is the coordinate of a fourth point that would create a rectangle? W (5,6) X (-6, 6) Y (-6, 0)

Question 1 Plot the following points and connect them in the order given. What is the length of AD? A (-1, -2) B (-5, -2) C(-2, -4) D(-1, -4) 2 units

Question 2 Find the area of the shape given its coordinates. L (-1, 1) M (-1, -5) N (4, -5) O (4, 1) 30 square units

Question 3 Plot the following points and connect them in the order given. What is the coordinate of the fourth point that creates a parallelogram? Q (4, 4) R (0,4) S (-1,1) (3,1)

Question 4 Plot the following points and connect them in the order given. What would be the coordinates of a third point that would form a right isosceles triangle? E (2, 2) F (2, -2) ( 6, 2) or (6, -2) or (-2, -2) or (-2, 2)

Question 5 Find the perimeter of the shape given its coordinates. S (5, -5) T (1, -5) U (1, 3) V (5, 3) 24 units

Exit Ticket Without plotting the points given, find the area of the shape given its coordinates. L (-1, 1) M (-1, -5) N (4, -5) O (4, 1) Explain, in words, how you found your solution