Area and Perimeter
Find the perimeter for a square. One side length= 8cm.
32 cm
2 x 4 x 5=
40
4 sided shape
All 4 sides and angles are the same
square
(2)(6)=
+12
4.5 + 3.34=
7.84
Find the area of a rectangle.
Side A= 11cm
Side B= 9cm
99cm squared
30 + 25 - 9=
46
All 3 sides are different lengths
Scalene triangle
27 divided by 3=
+9
45.67- 2.345=
43.325
Find the perimeter of the equilateral triangle with a side length of 12cm.
36cm
(4+5)(7+3)=
90
8 sided shape
Octagon
-54 divided by 6=
-9
10.01 + 9.99=
20
Find the area of the parallelogram.
Base= 8cm
Height= 12cm
96 cm squared
(8x7) + (16-4)=
68
4 sided shape
This shape has 2 sets of parallel lines.
Parallelogram
(-8)(3)=
-24
4.6 x 2.1
9.66
Find the area of the triangle.
Base= 14cm
Height= 7cm
49 cm squared
(3x12) divided by 6=
6
4 sided shape
This polygon has 1 set of parallel lines.
Trapezoid
(-11)(-4)=
+44
1.2 divided by 0.3
4