top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

ABC has a right angle at B with AC=60, AE=52 and CD=39. Find the length of DE?

0 votes
458 views

ABC has a right angle at B with AC=60, AE=52 and CD=39. Find the length of DE?

length of DE

posted Jun 29, 2015 by anonymous

Share this puzzle
Facebook Share Button Twitter Share Button LinkedIn Share Button

1 Answer

+2 votes

AB.sq + BC.sq = 3600
AB.sq + BE.sq = 52.sq (2704)
BD.sq + BC.sq = 39.sq (1521)
AB.sq + BE.sq + BD.sq + BC.sq = 2704 + 1521= 4225
BE.sq + BD.sq = 4225 - 3600 = 625
√625 = 25 (ans)

answer Jun 30, 2015 by anonymous



Similar Puzzles
0 votes
Triangle ABC has a right angle at B. Let Q be along BC and P be along AB........what is the length of the hypotenuse AC?

Triangle ABC has a right angle at B. Let Q be along BC and P be along AB such that AQ bisects angle A and CP bisects angle C. If AQ = 9 and CP = 8√2, what is the length of the hypotenuse AC?
enter image description here

+1 vote
In a Right angle triangle ABC - AB=3,AC=4 & BC=5. At BC, E is middle point and D is altitude AD. Find distance DE=?

In a Right angle triangle ABC

AB=3,AC=4 & BC=5

at BC,E is middle point and D is altitude AD

Find distance DE=?

it is not a difficult question everyone who know maths ...
Can YOU solve it easily ...... solve it in one line...........or in second..........?

+1 vote
In the diagram angle ACB, AED and BDC are right angles, CD = 60 and area of ABC is 3750. Find the perimeter of CDE?

In the diagram angle ACB, AED, and BDC are right angles, CD = 60, and the area of triangle ABC is 3750.
Find the perimeter of triangle CDE.

enter image description here

...