If $Sin \theta $ = $\frac{20}{29}$, then what is the value of $Cos \theta $?
1). $\frac{29}{21}$
2). $\frac{21}{29}$
3). $\frac{21}{20}$
4). $\frac{20}{29}$
$\triangle DEF$ is right angled at E. If $m \angle D$ = $30^{0}$. What is the length (in cm) of DE, if EF = $2\sqrt{3}$ cm?
1). 3
2). 4
3). 6
4). 2
What is the value of $Tan 45^{0} + \frac{4}{\sqrt{3}} Sec 60^{0}$?
1). $\frac{\left(\sqrt{3} 8\right)}{\sqrt{3}}$
2). $\frac{\left(\sqrt{3} 8\right)}{3}$
3). $\frac{\left(\sqrt{3}-8\right)}{\sqrt{3}}$
4). $\frac{\left(\sqrt{3}-8\right)}{3}$
$\triangle ABC$ is right angled at B. BD is an altitude. AD = 9 cm and DC = 16 cm. What is the value of BD (in cm)?
1). 6
2). 18
3). 21
4). 12
At what point does the line 2x + 5y = -6 cuts the X-axis?
1). (3, 0)
2). (0, 3)
3). (-3, 0)
4). (0, -3)