19cm
18cm
17cm
12cm
Correct answer is A
From the diagram
sin 70o = \(\frac{x}{10}\)
x = 10sin 70o
= 9.3969
Hence, length of chord MN = 2x
= 2 x 9.3969
= 18.7938
= 19cm (nearest cm)
Evaluate \(\int \sin 3x \mathrm d x\) ...
What percentage of observation lie outside interquartile range of any distribution? ...
Find p, q for which \(\begin{pmatrix} 2p & 8 \\ 3 & -5q \end{pmatrix}\)\(\begin{pmatrix} 1 \...
Simplify \(\frac{0.0324 \times 0.00064}{0.48 \times 0.012}\)...