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Find the Area, in Square Metres, of the Trapezium Whose Bases and Altitude is as Under: Bases = 8 M and 60 Dm, Altitude = 40 Dm - Mathematics

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ConceptArea of Trapezium

Question

Find the area, in square metres, of the trapezium whose bases and altitude is as under:
bases = 8 m and 60 dm, altitude = 40 dm

Solution

Given:
Bases:
8 m
And, 60 dm \[=\frac{60}{10}m = 6 m\]
Altitude = 40 dm \[=\frac{40}{10}m = 4 m\]
Area of trapezium \[ =\frac{1}{2}\times(\text{ Sum of the bases })\times(\text{ Altitude })\]
\[ = \frac{1}{2} \times (8 + 6) m \times (4) m\]
\[ = 28 \times m\times m\]
\[ {=28 m}^2 \]

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APPEARS IN

 RD Sharma Solution for Mathematics for Class 8 by R D Sharma (2019-2020 Session) (2017 to Current)
Chapter 20: Mensuration - I (Area of a Trapezium and a Polygon)
Ex. 20.2 | Q: 1.3 | Page no. 22

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Solution Find the Area, in Square Metres, of the Trapezium Whose Bases and Altitude is as Under: Bases = 8 M and 60 Dm, Altitude = 40 Dm Concept: Area of Trapezium.
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