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CBSE Notes 2011-2012 » IX-Maths-Term1

# Heron's Formula

## A gardener has to put double fence all round a triangular path with sides 120 m, 80 m and 60 cm. In ...

Multiple choice question

A 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...

Multiple choice question

In 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...

Multiple choice question

rhombus 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.

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

Multiple choice question

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 ?

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

Multiple choice question

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