his section carries 6 questions of 2 marks.
11. Find product: (-3)x(-6)x(-2)x(-1)
12. Which is greater: 0.8 or 0.88
13.Find the angle which is equal to its supplement.
14.Is it possible to have a triangle with sides 3cm,6cm,7cm.
15. Give any two real life examples for congruent shapes.
16.Write other name to the line of symmetry of
(a)an isosceles triangle
(b)a circle
CECTION
Answers
Answer:
11.-36
12.0.88
14.it is possible to be a triangle
That's all i know..
Answer:
Que11:-(-3)×(-6)×(-2)×(-1)=[(-3)×(-2)]×[(-6)×(-1)
(6)×(6)= 36
Que12:-0•88 is greater than 0•8.
Que13:-The angle which is equal to its supplement is 90°.
Que14:-The condition to form a triangle when sides are given is the sum of 2 sides has to be greater than the 3rd side:-
Sides given are 3cm,6cm and 7cm
3cm+6cm=9cm;6cm+7cm=13cm;7cm+3cm=10cm
Hence a triangle is possible from these sides as the sum of all these sides is greater than one another.
Que15:-1):-Pages of books
2):-2 same mobile phones
Que16:-1):- Line of symmetry of an isosceles triangle is median or altitude of the triangle.
2):- Line of symmetry of a circle are infinite and it is known as diameter.
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