What is the formula for the perimeter of a rectangle and why?

Formula is 2L + 2W because there are 4 sides and 2 matching pairs

What is the formula for the perimeter of a parallelogram and why?

Formula is 2B + 2W because there are 4 sides and 2 matching pairs

How should you represent the line segment of AB?

Draw a short line just above AB

What is the formula for the perimeter of a square, and why?

The formula is 4s because there are 4 sides on a square that are all equal

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Geometry Formulas

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Study the formulas for calculating perimeter and area for different 2D shapes. Review many geometric symbols to prepare for your tests.

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Questions 14

Answers

1
What is the formula for the perimeter of a triangle?
s1 + s2 + b
s1 + s2 + b + b
s1 + s2 + s3 + b
s1 + b
2
What is the formula for the area of a rectangle?
A = L x W x H
A = L x L
A = L x W
A = W x W x L
3
What is the formula for the perimeter of a rectangle and why?
Formula is 4L + 4W because there are 4 sides that are all equal
Formula is 2L x 2W because there are 4 sides and 2 matching pairs
Formula is 2L + 2W because there are 4 sides and 2 matching pairs
Formula is 4L because there are 4 sides that are all equal
4
What is the formula for the area of a trapezoid?
A = b1 + b2
A = 1/2h (b1 + b2 )
A = 1/2 ÷ h (b1 + b2 )
A = 1/2h
5
A = Area
True
False
6
What is the formula for the perimeter of a parallelogram and why?
Formula is 2H + 2H because there are 4 sides and 2 matching pairs
Formula is 2W x 2L because there are 4 sides and 4 matching pairs
Formula is 2B + 2W because there are 4 sides and 2 matching pairs
Formula is 4B + 2W because there are 6 sides and 3 matching pairs
7
What is the formula for the area of a triangle?
A = 1/2 ÷ bh
A = bh
A = 1/2 bh
A = 1/2
8
How should you represent the line segment of AB?
Draw an arrow starting from A that points to B
Draw an arrow starting from B that points A
Draw a short line just below AB
Draw a short line just above AB
9
What does V stand for?
V = volume
V = vast
V = vacuum
V = vector
10
What is the formula for the area of a parallelogram?
The fomrula is W x H
The formula is B x W
The formula is L x W x H
The formula is B x H
11
What is the formula for the perimeter of a trapezoid and why?
Formula is b1 + b2
Formula is s1 x s2 x b1 x b2
Formula is s1 + s2
Formula is s1 + s2 + b1 + b2
12
What is the formula for the area of a square?
A = s4
A = s2
A = s3
A = 32
13
P = Perimeter
True
False
14
What is the formula for the perimeter of a square, and why?
The formula is 4s because there are 4 sides on a square that are all equal
The formula is 4s because there are 4 sides on a square that are unequal
The formula is 4s because there are 5 sides on a square that are all equal
The formula is 5s because there are 5 sides on a square that are unequal

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