Advertisements
Advertisements
Question
Two poles of heights 6 m and 11 m stand vertically on a plane ground. If the distance between their feet is 12 m, what is the distance between their tops?
Options
13 m
14 m
15 m
12.8 m
Advertisements
Solution
13 m
Explanation;
Hint:
AC2 = AE2 + EC2 .....(Distance between the two tops)
= 52 + 122
= 25 + 144
= 169
AC = `sqrt(169)` = 13 cm
APPEARS IN
RELATED QUESTIONS
In ∆PQR, PQ = √8 , QR = √5 , PR = √3. Is ∆PQR a right-angled triangle? If yes, which angle is of 90°?
In the rectangle WXYZ, XY + YZ = 17 cm, and XZ + YW = 26 cm. Calculate the length and breadth of the rectangle?
If the sides of a triangle are in the ratio 5 : 12 : 13 then, it is ________
8, 15, 17 is a Pythagorean triplet
Check whether given sides are the sides of right-angled triangles, using Pythagoras theorem
9, 40, 41
The area of a rectangle of length 21 cm and diagonal 29 cm is __________
Choose the correct alternative:
In right angled triangle, if sum of the squares of the sides of right angle is 169, then what is the length of the hypotenuse?
Choose the correct alternative:
A rectangle having length of a side is 12 and length of diagonal is 20, then what is length of other side?
Choose the correct alternative:
If length of both diagonals of rhombus are 60 and 80, then what is the length of side?
A rectangle having dimensions 35 m × 12 m, then what is the length of its diagonal?
