EASY
7th CBSE
IMPORTANT
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If x, y and z are base, perpendicular and hypotenuse of a right triangle respectively, then according to the Pythagoras Theorem, we get

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Important Questions on Properties of Triangles

MEDIUM
7th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 7 - Properties of Triangles>CHAPTER-END EXERCISES>Q 10

In the given figure, ABC is triangle and BD is a median. Then, we have

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MEDIUM
7th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 7 - Properties of Triangles>CHAPTER-END EXERCISES>Q 1
(5, 12, 13) is a Pythagorean triplet
MEDIUM
7th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 7 - Properties of Triangles>CHAPTER-END EXERCISES>Q 2
Altitude of a triangle bisects the side.
EASY
7th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 7 - Properties of Triangles>CHAPTER-END EXERCISES>Q 3
In a right-angled triangle, only one angle is acute.
EASY
7th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 7 - Properties of Triangles>CHAPTER-END EXERCISES>Q 4
An isosceles triangle can be an obtuse-angled triangle also.
EASY
7th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 7 - Properties of Triangles>CHAPTER-END EXERCISES>Q 5
All angles of an equilateral triangle are acute.
MEDIUM
7th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 7 - Properties of Triangles>CHAPTER-END EXERCISES>Q 6
Difference of any two sides of a triangle is more than the third side,
EASY
7th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 7 - Properties of Triangles>CHAPTER-END EXERCISES>Q 7
A triangle can be formed whose angles are 120°, 30°, 30°.