Look for the graph where the line crosses the y axis at y=-1, and whose slope is -3. The answer is b.
<h3><em>(HCF)=(36,60,84)</em></h3><h3><em>Factors of 36
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</em></h3><h3><em>List of positive integer factors of 36 that divides 36 without a remainder.
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</em></h3><h3><em>1,2,3,4,6,9,12,18,36</em></h3><h3>Factors of 60
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</h3><h3>List of positive integer factors of 60 that divides 60 without a remainder.
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</h3><h3>1,2,3,4,5,6,10,12,15,20,30,60</h3><h3>Factors of 84
</h3><h3>
</h3><h3>List of positive integer factors of 84 that divides 84 without a remainder.
</h3><h3>
</h3><h3>1,2,3,4,6,7,12,14,21,28,42,84</h3><h3 /><h3>We found the factors 36,60,84 . The biggest common factor number is the HCF number.
</h3><h3>So the highest common factor 36,60,84 is 12.</h3><h3><em>HOPE IT HELPS....</em></h3>
1st step is to find the radius, then substitute into the formula for area of a circle
to find the radius, just halve the diameter
