In figure above, angles ACB and DEB are right angles, AC=15, DE=12, and DE=10. What is the value of cosx?

In the figure AB||DE , AC=6, CE=15 and DB=28. What is the length of CD?

In the figure shown above, ABC is a triangle right angled at B. What is the value of angle A, in degrees?

If Delta DEF is right angled at E, DE = 15 and angle DFE = 60^(@), then what is the value of EF ?

In the figure above, overline(AB)||overline(CD) , AD=30, AB=21, and CD=15. What is the length of overline(DE) ?

In /_\ABC , right angled at A, AC = 12cm and BC = 15cm The value of tanB is :

In figure , CD ||LA and DE||AC.find CL .

In the given figure. AB. AC and EF are tangents to a circle. If AC = 15 cm and DE = 3 cm. then the length of AE is:

In the given figure, ABC in a right-angled triangle,right-angled at B .If BC=5cm and AC AB = 1 cm; find the value of cosec A and cos A