In a right triangle right-angled at , if is the length of perpendicular from to and are sides, which relation is correct?
Answer and explanation
Correct answer: D.
- Step 1: Area of .
- Step 2: By Pythagoras theorem, .
- Step 3: .
- Step 4: Divide both sides by : .
Answer
.
Why not the others: Linear form lacks required square terms; confuses altitude with hypotenuse; and violates dimension.
Practise more Geometry and Trigonometry.
Free questions with an explanation for every one, and full timed CBSE Class 10 mock tests.
More Geometry and Trigonometry questions
- In , such that is on and is on . If , , and…
- A line segment has endpoints and . What are the coordinates of the midpoint of ?
- From an external point , two tangents and are drawn to a circle with centre . If , what is the measur…
- If the perimeter and the area of a circle are numerically equal, what is the radius of the circle?
- What is the distance between the points and ?
- If , where , what is the value of ?