A triangular colourful scenery is made in a wall with sides 50 cm, 50 cm and 80 cm. A golden thread is to hang from the vertex so as to just reach the side 80 cm. How much length of golden thread is required ?

# Heron's Formula

## A triangular colourful scenery is made in a wall with sides 50 cm, 50 cm and 80 cm. A golden thread ...

Submitted by mrs_gulathi on Sat, 12/24/2011 - 16:06## A gardener has to put double fence all round a triangular path with sides 120 m, 80 m and 60 cm. In ...

Submitted by mrs_gulathi on Sat, 12/24/2011 - 16:06A gardener has to put double fence all round a triangular path with sides 120 m, 80 m and 60 cm. In the middle of each sides, there is a gate of width 10 m. Find the length of the wire needed for the fence.

## In a family with two sons, a father has a field in the form of a right angled triangle with sides 18...

Submitted by mrs_gulathi on Sat, 12/24/2011 - 16:06In a family with two sons, a father has a field in the form of a right angled triangle with sides 18 m and 40 m. He wants to give independent charge to his sons, so he divided the field in the ratio 2 : 1 : 1 , the bigger part he kept for himself and divided remaining equally among the sons, find the total area distributed to the sons.

## rhombus shaped field has green grass for 36 cows to graze. If each side ofthe field is 30 m and long...

Submitted by mrs_gulathi on Sat, 12/24/2011 - 16:06rhombus shaped field has green grass for 36 cows to graze. If each side ofthe field is 30 m and longer diagonal is 48 m, then how much area of grass each cow will get, if 216m2 of area is not to be grazed.

## Given three sticks of lengths 10 cm, 5 cm and 3 cm. Atriangle is formed using the sticks, then area ...

Submitted by mrs_gulathi on Sat, 12/24/2011 - 16:06Given three sticks of lengths 10 cm, 5 cm and 3 cm. Atriangle is formed using the sticks, then area of the triangle will be