Home
Class 11
MATHS
Let aa n db represent the lengths of a ...

Let `aa n db` represent the lengths of a right triangles legs. If `d` is the diameter of a circle inscribed into the triangle, and `D` is the diameter of a circle circumscribed on the triangle, the `d+D` equals. (a)`a+b` (b) `2(a+b)` (c)`1/2(a+b)` (d) `sqrt(a^2+b^2)`

Promotional Banner

Similar Questions

Explore conceptually related problems

In triangle A B C , let /_c=pi/2dot If r is the inradius and R is circumradius of the triangle, then 2(r+R) is equal to (a) a+b (b) b+c (c) c+a (d) a+b+c

In triangle A B C , let /_c=pi/2dot If r is the inradius and R is circumradius of the triangle, then 2(r+R) is equal to a+b (b) b+c c+a (d) a+b+c

A sector O A B O of central angle theta is constructed in a circle with centre O and of radius 6. The radius of the circle that is circumscribed about the triangle O A B , is (a) 6costheta/2 (b) 6sectheta/2 (c) 3sectheta/2 (d) 3(costheta/2+2)

IF the lengths of the side of triangle are 3,5A N D7, then the largest angle of the triangle is pi/2 (b) (5pi)/6 (c) (2pi)/3 (d) (3pi)/4

In a DeltaABC, b = 12 units, c = 5 units and Delta = 30 sq. units. If d is the distance between vertex A and incentre of the triangle then the value of d^(2) is _____

A circle is inscribed in a triangle A B C touching the side A B at D such that A D=5,B D=3,if/_A=60^0 then length B C equals. 9 (b) (120)/(13) (c) 13 (d) 12

In triangle A B C ,/_A=60^0,/_B=40^0,a n d/_C=80^0dot If P is the center of the circumcircle of triangle A B C with radius unity, then the radius of the circumcircle of triangle B P C is (a)1 (b) sqrt(3) (c) 2 (d) sqrt(3) 2

A sector O A B O of central angle theta is constructed in a circle with centre O and of radius 6. The radius of the circle that is circumscribed about the triangle O A B , is 6costheta/2 (b) 6sectheta/2 c) 3sectheta/2 (d) 3(costheta/2+2)

If all the vertices of a triangle have integral coordinates, then the triangle may be (a) right-angled (b) equilateral (c) isosceles (d) none of these

If the diagram, D C is a diameter of the large circle centered at A , and A C is a diameter of the smaller circle centered at B . If D E is tangent to the smaller circle at F and D C=12 then the length of D E is .