Question
Complete the missing entries in the following factor tree.
✓
Answer
We need to fill the values for a and b in the following factor tree:
It is clear from the factor tree above that b = 3 × 7 b = 21 Also, a = 2 × b a = 2 × 21 a = 42 Thus, the missing entries are 21 and 42.
It is clear from the factor tree above that b = 3 × 7 b = 21 Also, a = 2 × b a = 2 × 21 a = 42 Thus, the missing entries are 21 and 42.
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$=\pi \times \square \times \square$
$=\square \text { sq. } \mathrm{cm}$
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