The sides of triangle are 5 cm, 6 cm, and 7 cm. One more triangle is formed by joining the mid-points of the sides. The perimeter of the second in cm is |
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(a) |
6 |
(b) |
9 |
(c) |
12 |
(d) |
18 |

The sides of triangle are 5 cm, 6 cm, and 7 cm. One more triangle is formed by joining the mid-points of the sides. The perimeter of the second in cm is |
|||||||

(a) |
6 |
(b) |
9 |
(c) |
12 |
(d) |
18 |

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