Quizlet Flashcards Guidelines for area of shapes

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The formula for finding the height in a parallelogram.

Use the base and multiply the base number by h which is the height. We are given the area so we have to multiply the base by a number which is height to equl the area.

A Parallelogram has a base of 90 and a height of 54. What is the area?

You have to do base times height and you get the area. You multiply 90 by 54 and you get the area.

A rectangle has a length of 23 and a width of 65. What is the area?

You multiply 23 by 65 which is base times height and you get the area.

Write the area formula for a parallelogram.

base x height square units

The formula for finding the height of a triangle.

h = 2T b.

A rectangle has a length of 23 and a width of of 65. What is the area?

1495

A parallelogram has a base of 90 and a height of 54. What is the area?

4860

Write the area formula for a triangle

A = 1/2 x b x h

Write the area formula trapezoid.

A=1/2 (a+b) h

Find the base of a parallelogram when the area is 77 and the height is 11.

A=bh 77/11 = 11b/11 7=b

Write the area formula for a square

Area = s x s

Find the base of a triangle when the area is 60 and the height is 12.

Base = 10 60=1/2 b (12) 60/6 = 6b/6 10=b

The formula for finding the height in a rectangle

Divide the volume by the product of the length and width.

A Triangle has a base of 20 and a height of 43. What is the area?

Multiply the base of 20 by a height of 43 and divide that number by 2 and you get the area.


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