What is the volume of this triangular pyramid? 9 cm 7 cm 8 cm
2 answers:
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Euler's formula for a polyhedron is given by:
Make E, the subject of the formula:
Put F = 20, V = 12, to obtain E,
Therefore, there are 30 edges
42.8% players practised more than one time a week
Step-by-step explanation:
Total no of players practising = 7
Players who practice more than once a week= 3
(According to graph player no 1,3 and 5 played more than once in a week)
To find the percentage of the players who practised more than one time a week
The formula used is:
percentage of players practising more than one time a week= ( no of player playing more than once / total no of players ) x 100%
Putting values in the formula
percentage of players playing more than one time a week= %
= %
= 42.8%
So, 42.8% players practised more than one time a week
Keywords: Calculation of percentage
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