CBSE Class 8 Mathematics Practical Geometry Worksheet Set B

CBSE Class 8 Practical Geometry Worksheet (1)

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Fill in the Blanks

Question. The length of _______________ sides may be enough to construct a triangle.
Answer : Three

Question. _______________ sides and the _______________ angle are enough to construct a triangle.
Answer : Two, included

Question. _______________ angles and the _______________ side are enough to construct a triangle.
Answer : Two, included

Question. _______________ side and length of _______________ is enough to construct a right angled triangle.
Answer : One, Hypotenuse

Question. The lengths of the three line segments are 4 cm, 5 cm, and 6 cm. Can a triangle be constructed with these?
Answer : Yes

Question. The lengths of the three line segments are 3 cm, 4 cm, 8 cm. Is it possible to construct a triangle?
Answer : No

Question. How many lines can be drawn parallel to a given line?
Answer : Many lines

Question. What should be the relation between the three sides of a triangle to construct a triangle?
Answer : Sum of the lengths of any two sides of a triangles is greater than the third side.

Question. If length of a side and length of hypotenuse is given then what type of triangle can be constructed?
Answer : Right Angled Triangle

Question. Is it possible to construct a triangle with the triplet of three line segments 2 cm, 4 cm and 6 cm?
Answer : No

Question. How many minimum number of elements are required to construct a triangle? Why?
Answer : Three, because three vertices have to be located

Question. Give a triplet of lengths using which triangle can be constructed?
Answer : Any triplet which satisfies the condition that sum of the lengths of any two sides of a triangle is greater than the third side.

Question. What should be the sum of three angles so that a triangle can be constructed?
Answer : 180°

Question. If R 50 , S 70 and RS = 5.5 cm then what type of triangle can be constructed?
Answer : Scalene Acute Angled Triangle

Question. Which geometrical instrument can be used to draw an arc?
Answer : Compass

Question. How many lines can be drawn parallel to a given line and through a point outside the given line?
Answer : Only one line

Question. If three sides measure 5.2 cm, 4 cm, 6 cm then what type of triangle can be constructed?
Answer : Scalene

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