Full Marks Mathematics 9>Chapter 12 - Heron's Formula>TEST YOUR SKILLS>Q 9

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9th CBSE

IMPORTANT

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What is the area of an equilateral triangle with side equal to $4 c m$ ?

Important Questions on Heron's Formula

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9th CBSE

IMPORTANT

Full Marks Mathematics 9>Chapter 12 - Heron's Formula>TEST YOUR SKILLS>Q 10

In the figure, $P$ and $Q$ are the midpoints of $A B$ and $A C$ respectively. What is the length of $B C$ ?

Question Image

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9th CBSE

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Full Marks Mathematics 9>Chapter 12 - Heron's Formula>TEST YOUR SKILLS>Q 11

In the figure,

P Q R

is a right-angled triangle,

x

and

y

are the midpoints of

P Q

and

Q R

respectively. If

X Y = 14 c m

, then find the length of hypotenuse?
$C:\Users\ANIL YOGI\Desktop\8.PNG$

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9th CBSE

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Full Marks Mathematics 9>Chapter 12 - Heron's Formula>TEST YOUR SKILLS>Q 12

In the figure, if

a + b + c = 2 s

then what is the area of

∆ A B C

?
$C:\Users\ANIL YOGI\Desktop\9.PNG$

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9th CBSE

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Full Marks Mathematics 9>Chapter 12 - Heron's Formula>TEST YOUR SKILLS>Q 13

What is the area of an isosceles triangle whose base is

2 cm

and one of the equal sides is

4 c m

?

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9th CBSE

IMPORTANT

Full Marks Mathematics 9>Chapter 12 - Heron's Formula>TEST YOUR SKILLS>Q 14

The area of an isosceles right triangle is

8 c m^{2}

. Then what is the length of its hypotenuse?

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9th CBSE

IMPORTANT

Full Marks Mathematics 9>Chapter 12 - Heron's Formula>TEST YOUR SKILLS>Q 15

The base of a right triangle is

6 c m

and the hypotenuse is

10 c m

. What is the area of the triangle?

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9th CBSE

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Full Marks Mathematics 9>Chapter 12 - Heron's Formula>TEST YOUR SKILLS>Q 16

The perimeter of an equilateral triangle is

60 m

. What is the area of the triangle?

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9th CBSE

IMPORTANT

Full Marks Mathematics 9>Chapter 12 - Heron's Formula>TEST YOUR SKILLS>Q 17

The hypotenuse of an isosceles right triangle is

\sqrt{32} m

. What is the area of the triangle?