A window is in the form of trapezium whose parallel sides are 115 cm and 55 cm respectively and the distance between the parallel sides is 6

Question

A window is in the form of trapezium whose parallel sides are 115 cm and 55 cm respectively and the distance between the parallel sides is 65 cm. Find the cost of the glass used to cover the window at the rate of ` 15 per 100 sq. cm.

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Arianna 3 weeks 2021-09-05T07:11:47+00:00 1 Answer 0 views 0

Answers ( )

    0
    2021-09-05T07:12:51+00:00

    Step-by-step explanation:

    Given:

    1. Parallel sided of trapezium are 115cm and 55cm.
    2. Height of trapezium, h=65cm.
    3. Rate at which glass is perchased to cover the window=15/100cm².

    To find: Total cost of glass to be purchased.

    Formula of area of trapezium:

     =  >  \frac{1}{2}  \times (sum \: o f\: parallel \: sides) \times h

    => ½×(115+55)×65

    => ½×(170)×65

    => 85×65

    => 5525.

    Cost of covering glass=15×5525/100

    => 828.25.Rs

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