Warm upSolve for y. Are any of the
lines parallel or perpendicular?
1. 2x + 3y = 5
2. 4x – 2y = 8
3. x – ½ y = 6
2 53 3
y x
2 4y x
2 12y x
Questions over hw?
Perimeter
Distance AROUND the shape
AreaAmount of space
INSIDE the boundary
Area FormulasTriangle: A = ½ bhRectangle: A = bhParallelogram: A = bhTrapezoid: A = ½ (b1 + b2)h
Find the perimeter. Q1 of 12
17 17 29 63 P ft
Find the perimeter. Q2 of 12
12 12 26 26 76 P cm
Find the perimeter. Q3 of 12
2.8 6.2 2.8 7.9 19.7 P ft
Find the area. Q4 of 12
219 6.4 28.8
2 A m
Find the area. Q5 of 12
210.8 10.8 116.64 A cm
Find the area. Q6 of 12
213 11 4.6 32.2
2 A mi
Find the area. Q7 of 12
2110 4.1 20.5
2 A ft
Find the area. Q8 of 12
210.5 5.2 54.6 A km
Area & Perimeter
on theCoordinate
Plane
Find the area. Q9 of 12
14 5
210
A
A
Find the perimeter. Q10 of 12
8 8 18 18
14.14
P
P
Find the perimeter.Q11 of 12
10 10 5 5
16.32
P
P
Find the area. Q12 of 12
5 3
15
A
A
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