alleryFor a triangle of sides 3, 4 and 5, the semi-perimeter is:
AFour
BSix
CTen
DTwo
Answer & Solution
Correct answer: B. Six
1. Add the three sides to get the perimeter.
2. 3 plus 4 plus 5 is 12.
3. Half of that is 6.
4. So the answer is six.
_Source: syllabus Mathematics, Ch 6 'Measuring Space: Perimeter and Area'_
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