Advertisements
Advertisements
प्रश्न
Use the information given in the figure to find the length AD.
Advertisements
उत्तर
Given:
AB = 20 cm
∴ AO = `"AB"=20/2` = 10cm
BC = OD = 24 cm
To find: Length of AD
In right angled triangle
AOD (AD)2 = (AO)2 + (OD)2
(AD)2 = (10)2 + (24)2
(AD)2 = 100 + 576
(AD)2 = 676
∴ AD = `sqrt(26xx26)`
AD = 26 cm
APPEARS IN
संबंधित प्रश्न
In the given figure, ABC is a triangle in which ∠ABC < 90° and AD ⊥ BC. Prove that AC2 = AB2 + BC2 − 2BC.BD.
ABC is a triangle right angled at C. If AB = 25 cm and AC = 7 cm, find BC.
In ∆PQR, point S is the midpoint of side QR. If PQ = 11, PR = 17, PS = 13, find QR.
In the given figure, angle BAC = 90°, AC = 400 m, and AB = 300 m. Find the length of BC.
The sides of the triangle are given below. Find out which one is the right-angled triangle?
1.5, 1.6, 1.7
If ‘l‘ and ‘m’ are the legs and ‘n’ is the hypotenuse of a right angled triangle then, l2 = ________
In the figure, find AR
In a quadrilateral ABCD, ∠A + ∠D = 90°. Prove that AC2 + BD2 = AD2 + BC2
[Hint: Produce AB and DC to meet at E.]
In an isosceles triangle PQR, the length of equal sides PQ and PR is 13 cm and base QR is 10 cm. Find the length of perpendicular bisector drawn from vertex P to side QR.
The perimeter of the rectangle whose length is 60 cm and a diagonal is 61 cm is ______.
