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9th CBSE
IMPORTANT
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The sides of a triangle are 35 cm,54 cm and 61 cm, respectively. The length of its longest altitude

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Important Questions on Heron's Formula

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9th CBSE
IMPORTANT
MATHEMATICS>Chapter 12 - Heron's Formula>MULTIPLE CHOICE QUESTIONS>Q 18
The area of an isosceles triangle having base 2 cm and the length of one of the equal sides 4 cm, is 
HARD
9th CBSE
IMPORTANT
MATHEMATICS>Chapter 12 - Heron's Formula>MULTIPLE CHOICE QUESTIONS>Q 20
The sides of a triangle are 6 cm,8 cm and 10 cm respectively. The length of its smallest altitude
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9th CBSE
IMPORTANT
MATHEMATICS>Chapter 12 - Heron's Formula>MULTIPLE CHOICE QUESTIONS>Q 21
The semi perimeter of an equilateral triangle is 60 cm. The area is
EASY
9th CBSE
IMPORTANT
MATHEMATICS>Chapter 12 - Heron's Formula>MULTIPLE CHOICE QUESTIONS>Q 22
Half of perimeter of a triangle is 20 cm.The product of (s-a),(s-b) and (s-c) is 30 cm3, where s=a+b+c. then area of triangle is equal to
MEDIUM
9th CBSE
IMPORTANT
MATHEMATICS>Chapter 12 - Heron's Formula>MULTIPLE CHOICE QUESTIONS>Q 23
In an equilateral triangle of side 'a', the length of altitude will be
EASY
9th CBSE
IMPORTANT
MATHEMATICS>Chapter 12 - Heron's Formula>MULTIPLE CHOICE QUESTIONS>Q 24
The area of an equilateral triangle of side 2a cm is
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9th CBSE
IMPORTANT
MATHEMATICS>Chapter 12 - Heron's Formula>MULTIPLE CHOICE QUESTIONS>Q 25
In Heron's formula '2S' stand for
EASY
9th CBSE
IMPORTANT
MATHEMATICS>Chapter 12 - Heron's Formula>MULTIPLE CHOICE QUESTIONS>Q 26
The difference between the semi-perimeter and the sides of a △ ABC are 5 cm,7 cm and 8 cm respectively. The area of the triangle is