Find the perimeter of a triangle, when:
(a) its sides are 7 cm, 8.2 cm and 0.12 m.
(b) each of its two equal sides is 5.3 cm and
the third side is 3.5 cm.
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Answer:
(a)- 7cm+8cm+12cm
=27cm
(b) 5.3cm×2+3.5 cm
=10.6cm+3.5cm
= 14.1 cm
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