Construct a triangle similar to the given `Delta ABC `, with its sides equal to `(5)/(3)` of the corresponding sides of the triangle ABC.

Construct a triangle of sides 5 cm , 8 cm and 10cm.

Construct a triangle of sides 5 cm , 8 cm and 11cm.

Construct an equilateral triangle with side 7 cm.

In Delta ABC , if r_(1) lt r_(2) lt r_(3) , then find the order of lengths of the sides

(i) If the cosines of two of the angles of a triangle, which is not isosceles, are iversely proportional to the corresponding opposite sides, show that the triangle is right angled. (ii) In a triangle ABC, If A=2B then show that, a^(2)- b^(2)=bc .

To construct a triangle with sides 3cm, 4cm, and 8cm,

Construct a triangle at first by taking the given lengths as the sides of the triangle, then construct a square of area equal to the area of this drawn triangle . An isosceles triangle, the base of which is 7 cm and the length of each of the equal sides is 5 cm.

Construct a triangle at first by taking the given lengths as the sides of the triangle, then construct a square of area equal to the area of this drawn triangle . The length of the three sides are 8.4 cm , 6.15 cm and 3.75 cm respectively.

Construct a triangle at first by taking the given lengths as the sides of the triangle, then construct a square of area equal to the area of this drawn triangle . An equilateral triangle the sides of which is 4.7 cm.