Advertisements
Advertisements
Question
Find the length of the support cable required to support the tower with the floor
Advertisements
Solution
From the figure, by Pythagoras theorem,
x2 = 202 + 152
= 400 + 225
= 625
x2 = 252
⇒ x = 25 feet.
∴ The length of the support cable required to support the tower with the floor is 25 feet.
APPEARS IN
RELATED QUESTIONS
In Figure, ABD is a triangle right angled at A and AC ⊥ BD. Show that AD2 = BD × CD
Prove that the sum of the squares of the sides of a rhombus is equal to the sum of the squares of its diagonals
Prove that the sum of the squares of the diagonals of parallelogram is equal to the sum of the squares of its sides.
Identify, with reason, if the following is a Pythagorean triplet.
(5, 12, 13)
From a point O in the interior of aΔABC, perpendicular OD, OE and OF are drawn to the sides BC, CA and AB respectively. Prove that: AF2 + BD2 + CE2 = AE2 + CD2 + BF2
In a triangle ABC, AC > AB, D is the midpoint BC, and AE ⊥ BC. Prove that: AB2 = AD2 - BC x CE + `(1)/(4)"BC"^2`
Find the unknown side in the following triangles
Find the unknown side in the following triangles
Is the triangle with sides 25 cm, 5 cm and 24 cm a right triangle? Give reasons for your answer.
If the areas of two circles are the same, they are congruent.
