In `DeltaCAT, angleA` is a right angle. Which of the following is equal to `tanT`?

Which of the following is a right angle?

Given DeltaCAT above, which of the following is equal to (t)/(c) ?

An acute angle of a right triangle measures x radians. Which of the following is equal to cosx when x=(pi)/(9)?

In a right angled triangle aBC with angleA=90^(@) , which of the following results are true ?

In right triangle ABC , AB=BC , then angleA is equal to

In a right-angled triangle ABC, if angle B = 90°, then which of the following is true?

The sum of the angles in a triangle is equal to two Right angles.

In a right angle triangle ABC, angleA is right angle DE is parallel to the hypotenuse BC and the length of DE is 65% the length of BC, what is the area of DeltaADE , if the area of DeltaABC is 68 cm^(2) ?