त्रिभुज कार बोर्ड की भुजाओं कामा 5 सेंटीमीटर 12 सेंटीमीटर और 13 सेंटीमीटर है तो इस बोर्ड पर रोते इस प्रति सेंटीमीटर की दूर से पेंटिंग करने का वयम ज्ञात कीजिए
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If the sides of the triangle car board are 5 cm, 12 cm and 13 cm, find the size of the painting on this board from the distance per centimeter weeping.
Semi perimeter of triangle s =
Therfore,
Area of triangle⇒
Cost of painting =Rs.30 per sq.centimeter
Therefore,
Cost of painting sheet =30×30=Rs.900
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