Home
Class 12
MATHS
Circumradius of DeltaABC is 3 cm and its...

Circumradius of `DeltaABC` is 3 cm and its area is `6 cm^(2)`. If DEF is the triangle formed by feet of the perpendicular drawn from A,B and C on the sides BC, CA and AB, respectively, then the perimeter of `DeltaDEF` (in cm) is _____

Text Solution

Verified by Experts

The correct Answer is:
4
Promotional Banner

Topper's Solved these Questions

  • SOLUTION OF TRIANGLES

    VIKAS GUPTA (BLACK BOOK) ENGLISH|Exercise Exercise-4 : Matching Type Problems|2 Videos

  • SEQUENCE AND SERIES

    VIKAS GUPTA (BLACK BOOK) ENGLISH|Exercise EXERCISE (SUBJECTIVE TYPE PROBLEMS)|21 Videos

  • STRAIGHT LINES

    VIKAS GUPTA (BLACK BOOK) ENGLISH|Exercise Exercise-5 : Subjective Type Problems|10 Videos

Similar Questions

Explore conceptually related problems

The triangle is formed by joining the mid-points of the sides AB,BC and CA of △ABCand the area of △PQR is 6cm^2 , then the area of △ABC is

In DeltaABC, AB=AC=x, BC=10cm and the area of triangle is 60 cm^(2) . Find x.

If the side of an equilateral triangle is 6 cm, then its perimeter is

The perimeters of tow similar triangles DeltaABC and DeltaPQR are 35cm and 458 cm respectively, then the ratio of the areas of the two triangles is _______.

In a DeltaABC,D,E and F are respectively the mid-points of BC, CA and AB. If the lengths of side AB, BC and CA are 7 cm, 8 cm and 9 cm respectively, find the permeter of DeltaDEF.

Triangle ABC is isosceles with AB=AC and BC=65cm. P is a point on BC such that the perpendiculardistances from P to AB and AC are 24cm and 36cm, respectively. The area of triangle ABC (in sq cm is)

ABC is an isosceles triangle with AB = AC =13 cm and BC = 10 cm. Calculate the length of the perpendicular from A to BC.

If in Delta ABC, b = 3 cm, c = 4 cm and the length of the perpendicular from A to the side BC is 2 cm, then how many such triangle are possible ?

Thevertices of a triangle ABC are A(-7, 8), B (5, 2) and C(11,0) . If D, E, F are the mid-points of the sides BC, CA and AB respectively, show that DeltaABC=4 DeltaDEF .

In Delta ABC, perpendiculars AP and CQ are droped from vertices A and C on opposite sides BC and AB, respectively. If AB = 10 cm , BC = 16 cm, AP = 8.8 cm, find PQ .