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Two similar triangles will always have _____ angles.

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Important Questions on Geometry

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8th Tamil Nadu Board
IMPORTANT
Standard Eight Mathematics>Chapter 5 - Geometry>Exercise 5.1>Q 12
If in triangles PQR and XYZ,PQXY=QRZX then they will be similar if
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8th Tamil Nadu Board
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Standard Eight Mathematics>Chapter 5 - Geometry>Exercise 5.1>Q 13
A flag pole 15 m high casts a shadow of 3 m at 10 a.m. The shadow cast by a building at the same time is 18.6 m. The height of the building is
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8th Tamil Nadu Board
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Standard Eight Mathematics>Chapter 5 - Geometry>Exercise 5.1>Q 14
If△ABC~△PQR in which ∠A=53° and ∠Q=77°, then ∠R is.
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8th Tamil Nadu Board
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Standard Eight Mathematics>Chapter 5 - Geometry>Exercise 5.1>Q 15

In the given figure, which of the following statements is true?

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Standard Eight Mathematics>Chapter 5 - Geometry>Think>Q 1
In any acute angled triangle, all three altitudes are inside the triangle. Where will be the orthocentre? In the interior of the triangle or in its exterior?
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8th Tamil Nadu Board
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Standard Eight Mathematics>Chapter 5 - Geometry>Think>Q 2
In any right angled triangle, the altitude perpendicular to the hypotenuse is inside the triangle; the other two altitudes are the legs of the triangle. Can you identify the orthocentre in this case?
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Standard Eight Mathematics>Chapter 5 - Geometry>Think>Q 3
In any obtuse angled triangle, the altitude connected to the obtuse vertex is inside the triangle, and the two altitudes connected to the acute vertices are outside the triangle. Can you identify the orthocentre in this case?
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8th Tamil Nadu Board
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Standard Eight Mathematics>Chapter 5 - Geometry>Try these>Q 1

Identify the type of segment required in the following triangle (median, altitude, perpendicular bisector, angle bisector)

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