All in One Mathematics>Chapter 5 - Introduction to Euclid's Geometry>Exam Practice>Q 9

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9th CBSE

IMPORTANT

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If $P Q$ is a line segment of length $12 cm$ and $R$ is a point in its interior, then $P R^{2} + Q R^{2} + 2 P R . Q R$ equals

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Important Questions on Introduction to Euclid's Geometry

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9th CBSE

IMPORTANT

All in One Mathematics>Chapter 5 - Introduction to Euclid's Geometry>Exam Practice>Q 10

In the given figure,

C

is the mid-point of the segment

A B

.

P

and

Q

are mid-points of the segments

A C

and

B C

respectively, then

A P

is equal to

Question Image

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All in One Mathematics>Chapter 5 - Introduction to Euclid's Geometry>Exam Practice>Q 11

In ancient India, altars with combination of shapes like rectangles, triangles and trapeziums were used for what purpose?

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All in One Mathematics>Chapter 5 - Introduction to Euclid's Geometry>Exam Practice>Q 12

Define the condition of a line segment

A B

, such that point

C

is called the mid-point of

A B

.

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9th CBSE

IMPORTANT

All in One Mathematics>Chapter 5 - Introduction to Euclid's Geometry>Exam Practice>Q 13

If

B

lies between

A

and

C, A C = 19 cm

and

B C = 8 cm

. What is the measure of

A B

?

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IMPORTANT

All in One Mathematics>Chapter 5 - Introduction to Euclid's Geometry>Exam Practice>Q 14

P

lies in the interior of

∠ B A C

. If

∠ B A C = 70 °

and

∠ B A P = 42 °

, then determine the measure of

∠ P A C

.

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9th CBSE

IMPORTANT

All in One Mathematics>Chapter 5 - Introduction to Euclid's Geometry>Exam Practice>Q 15

A point

C

is said to lie between the points

A

and

B

. Explain it.

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IMPORTANT

All in One Mathematics>Chapter 5 - Introduction to Euclid's Geometry>Exam Practice>Q 16

It is known that, if

x + y = 10

, then

x + y + z = 10 + z

. Which Euclid's axiom is used?

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IMPORTANT

All in One Mathematics>Chapter 5 - Introduction to Euclid's Geometry>Exam Practice>Q 17

Solve the equation

y - 25 = 40

and state which axiom will you use here?