If in a triangle of base 'a', the ratio of the other two sides is r ( <1).Show that the altitude of the triangle is less than or equal to `(ar)/(1-r^2)`

If the three angles in a triangle are in the ratio 1:2:3 and one of the smallest side is 5cm .find other sides

In a right triangle the sum of the other two angles is ____.

State and prove Thales theorem Statement A straight line drawn parallel to a side of triangle intersecting the other two sides , divides the sides in the same ratio.

The sides of two similar triangles are in the ratio 2 : 3 , then their areas are in the ratio …………

If the angles of a triangles are in the ratio 3 : 4: 5 then the ratio of the largest side to the smallest side of the triangle is

Represent the following situations with suitable mathematical equations. The hypotenuse of a right triangle is 25 cm. We know that the difference in lengths of the other two sides is 5 cm. We would like to find out the length of the two sides?

If the square of the longest side of a triangle is equal to sums of squares of other two sides, then the triangles is …………..

If the angles of triangle are in the ratio 4 :1:1 , then the ratio of the longest side to the perimeter is