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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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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

Sum
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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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Chapter 20: Mensuration - I (Area of a Trapezium and a Polygon) - Exercise 20.2 [Page 22]

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RD Sharma Mathematics [English] Class 8
Chapter 20 Mensuration - I (Area of a Trapezium and a Polygon)
Exercise 20.2 | Q 1.3 | Page 22

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