Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 160 - 163 of 989

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Question number: 160

» Mathematics » Lines and Angles

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Question

The sum of the two angles in a triangle is and their difference is . Then the angles of a triangle is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 161

» Mathematics » Circles

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O is the center of a circle and if then is equal to

Circle cCircle c: Circle through C with center OSegment fSegment f: Segment [B, O] Segment gSegment g: Segment [O, C] Segment hSegment h: Segment [B, A] Segment iSegment i: Segment [A, C] Segment jSegment j: Segment [B, C] Point OO = (3.14,2.88) Point OO = (3.14,2.88) Point OO = (3.14,2.88) Point CC = (4.64,1.28) Point CC = (4.64,1.28) Point CC = (4.64,1.28) Point BPoint B: Point on cPoint BPoint B: Point on cPoint BPoint B: Point on cPoint APoint A: Point on cPoint APoint A: Point on cPoint APoint A: Point on c

Image of a Circle Having Center O and Given Sum of Two Angles

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Choice (4)Response

a.

b.

c.

d.

Question number: 162

» Mathematics » Lines and Angles

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The interior and boundary of a triangle is called

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Choice (4)Response

a.

Exterior

b.

Triangular region

c.

Plane

d.

Interior

Question number: 163

» Mathematics » Lines and Angles

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In the figure . Then

Circle cCircle c: Circle through J with center ICircle c_1Circle c_1: Circle through J_1 with center I_1Segment fSegment f: Segment [A, B] Segment gSegment g: Segment [C, D] Segment hSegment h: Segment [E, F] a = 105â°text1_1 = “a = 105â°”btext1_3 = “b”ctext1_7 = “c”ltext1_8 = “l”mtext1_9 = “m”ntext1_ {10} = “n”

Image of a Transversal with a Pair of Lines Forming Angle 105

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Choice (4)Response

a.

b.

c.

d.

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