A trapezoid, or trapezium in some countries, is a four-sided quadrilateral shape with at least one pair of sides parallel to each other. Those sides parallel to each other are called bases and the others are legs.
As we know a trapezium has a four-sided figure with at least one pair of parallel sides. It has an area formula to determine its area. In any case, you would first need to determine the length of the two bases-let's say, the first base and the second base. You have also to determine the height; that is the perpendicular distance between these two bases.
The formula of area (A) of a trapezoid is given as,
Where,
are the lengths of two bases.
ℎ is the height of the trapezoid.
Problem1:
Find the area of the trapezoid if the bases of the trapezoid are 6 cm and 7 cm and the perpendicular distance between them is 8 cm.
Solution:
Given:
Let the parallel sides of a trapezium be "a" and "b" .
Therefore , a = 6 cm and b = 7 cm.
Also, given that the perpendicular distance between the parallel sides is 8 cm.
(i.e) h = 8 cm.
We know that the area of trapezoid formula is:
A = (½) [(a+b)h] square units
Using the given values in the formula, we get
A = (½) [(6+7)8] square units
A = (6+7)4 cm2
A = (13)4 cm2
A = 52 cm2
Thus, the area of the trapezoid is 52 cm2.
Problem 2:
In the trapezoid, find the height of the trapezoid if the sum of the parallel sides is 25 m and the area is 75 .
Solution:
Given: a+b = 25 m
Area, A = 75 .
We need to find: h
The formula for area of trapezoid,
A = (½) [(a+b)h] square units
Putting the value in the formula, we get
75 = (½)[25h]
75/25 = (½)h
3 = h/2
h = 6 .
So, the height of the trapezoid is 6 m.
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A trapezoid, or trapezium in some countries, is a four-sided quadrilateral shape with at least one pair of sides parallel to each other. Those sides parallel to each other are called bases and the others are legs.
As we know a trapezium has a four-sided figure with at least one pair of parallel sides. It has an area formula to determine its area. In any case, you would first need to determine the length of the two bases-let's say, the first base and the second base. You have also to determine the height; that is the perpendicular distance between these two bases.
The formula of area (A) of a trapezoid is given as,
Where,
are the lengths of two bases.
ℎ is the height of the trapezoid.
Problem1:
Find the area of the trapezoid if the bases of the trapezoid are 6 cm and 7 cm and the perpendicular distance between them is 8 cm.
Solution:
Given:
Let the parallel sides of a trapezium be "a" and "b" .
Therefore , a = 6 cm and b = 7 cm.
Also, given that the perpendicular distance between the parallel sides is 8 cm.
(i.e) h = 8 cm.
We know that the area of trapezoid formula is:
A = (½) [(a+b)h] square units
Using the given values in the formula, we get
A = (½) [(6+7)8] square units
A = (6+7)4 cm2
A = (13)4 cm2
A = 52 cm2
Thus, the area of the trapezoid is 52 cm2.
Problem 2:
In the trapezoid, find the height of the trapezoid if the sum of the parallel sides is 25 m and the area is 75 .
Solution:
Given: a+b = 25 m
Area, A = 75 .
We need to find: h
The formula for area of trapezoid,
A = (½) [(a+b)h] square units
Putting the value in the formula, we get
75 = (½)[25h]
75/25 = (½)h
3 = h/2
h = 6 .
So, the height of the trapezoid is 6 m.
Other Related Sections
NCERT Solutions | Sample Papers | CBSE SYLLABUS| Calculators | Converters | Stories For Kids | Poems for Kids| Learning Concepts | Practice Worksheets | Formulas | Blogs | Parent Resource
Admissions Open for
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