the perimeter of triangle is 42CM. lf two of it sides are 16CM and 12cm. finish third sides ?
Answers
Answered by
11
Step-by-step explanation:
16+12+thirdside =42
28+thirdside=42
thirdside=42-28
thirdside=14cm.
Answered by
7
Answer:
14 cm
Step-by-step explanation:
Perimeter of a triangle = Length of side 1 + length of side 2 + length side 3 = 42cm
16 + 12 + length of side 3 = 42cm
28 + length of side 3 = 42
length of side 3 = 42 - 28
length of side 3 = 14 cm
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