Advertisements
Advertisements
प्रश्न
If ‘l‘ and ‘m’ are the legs and ‘n’ is the hypotenuse of a right angled triangle then, l2 = ________
Advertisements
उत्तर
n2 – m2
Explanation;
Hint:
APPEARS IN
संबंधित प्रश्न
The diagonal of a rectangular field is 16 metres more than the shorter side. If the longer side is 14 metres more than the shorter side, then find the lengths of the sides of the field.
PQR is a triangle right angled at P and M is a point on QR such that PM ⊥ QR. Show that PM2 = QM . MR
Identify, with reason, if the following is a Pythagorean triplet.
(5, 12, 13)
Find the Pythagorean triplet from among the following set of numbers.
4, 5, 6
Find the Pythagorean triplet from among the following set of numbers.
9, 40, 41
A man goes 10 m due east and then 24 m due north. Find the distance from the straight point.
A ladder 15m long reaches a window which is 9m above the ground on one side of a street. Keeping its foot at the same point, the ladder is turned to other side of the street to reach a window 12m high. Find the width of the street.
Two poles of height 9m and 14m stand on a plane ground. If the distance between their 12m, find the distance between their tops.
There are two paths that one can choose to go from Sarah’s house to James's house. One way is to take C street, and the other way requires to take B street and then A street. How much shorter is the direct path along C street?
In a quadrilateral ABCD, ∠A + ∠D = 90°. Prove that AC2 + BD2 = AD2 + BC2
[Hint: Produce AB and DC to meet at E.]
