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2 cards from this section. Quick, good the night before a test.
What is the perimeter of a rectangle with length 10 cm and width 4 cm?
Use P = 2(length + width).
Calculate the area of a square with a side of 6 cm.
A = side².
What does perimeter measure?
Think about what surrounds a shape.
The area of a circle can be calculated using which formula?
Recall that 'A' represents area, and 'r' is the radius.
Find the perimeter and area of a triangle with sides 3 cm, 4 cm, and 5 cm.
Use Heron's formula after finding the semi-perimeter.
A rectangular field has dimensions of 150 m by 80 m. Calculate the area and perimeter, and how many times can it fit into a 3000 m² area?
Area helps relate total size, while perimeter focuses on boundary length.
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