\(\frac{r}{16}\) cm
\(\frac{r}{6}\) cm
\(\frac{r}{8}\) cm
\(\frac{r}{2}\) cm
Correct answer is C
The formula for the base radius of a cone formed from the sector of a circle = \(\frac{r \theta}{360°}\)
= \(\frac{r \times 45°}{360°}\)
= \(\frac{r}{8} cm\)
Factorize 4x2 - 9y2 + 20x + 25 ...
A notebook of length 15 cm was measured to be 16.8 cm, calculate, correct to two d.p, the ...
The nth term of the sequence 3, 9, 27, 81.....is ...
Find the perimeter of the region ...
How many sides has a regular polygon whose interior angle is 135°? ...
Find the common ratio in the GP: log 3, log 9, log 81 .......... ...