In right angled `DeltaABC`, `BDbotAC`. If `AD=4`, `DC=9`, then find `B – InterviewSolution

InterviewSolution

1.	In right angled `DeltaABC`, `BDbotAC`. If `AD=4`, `DC=9`, then find `BD`.
Answer» In `DeltaABC`, `ABC=90^(@)`…..(Given) seg `Bdbot` hypotenuse `AC`. `:.` by the theorem of geometric mean, `BD^(2)=ADxxDC` `:.BD^(2)=4xx9` `:.BD^(2)=36` `:.BD=6`……(Taking square roots of both the sides)

Discussion

No Comment Found

Related InterviewSolutions

In right angled `DeltaABC`, `BDbotAC`. If `AD=4`, `DC=9`, then find `BD`.
Find the side and perimeter of a square whose diagonal is `10cm`.
In the figure, `AD=17`, `AB=10`, `BC=15`. `/_ABC=/_BCD=90^(@)` seg `AE bot` side `CD` then find the length of `(i) AE` `(ii) DE` `(iii) DC`.
If `Delta ABC ` be an equilateral triangle and `AD _|_BC`, then `AD^(2)` =A. `(3)/(2) DC^(2)`B. `2DC^(2)`C. `3DC^(2)`D. `4DC^(2)`
ABC is an isosceles triangle of which `AC=BC` and `AB^(2) = 2AC^(2)`. Then value of `/_C ` will be -A. `30^(@)`B. `90^(@)`C. `45^(@)`D. `60^(@)`
A person at first travels 28m east from a certain place and then he travels `sqrt(57)`m south of it. The distance of the person from the starting point will beA. `(28+sqrt(57))m`B. 29 mC. `(28-sqrt(57))m`D. None of these