NCO- Cyber Olympiad (SOF) Class 8: Questions 143 - 144 of 510

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Question number: 143

» Mental Ability » Basic Geometry

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MCQ▾

Question

In the adjoining figure it is given that and . If and , find DC.

Triangle poly1Triangle poly1: Polygon A, B, CSegment cSegment c: Segment [A, B] of Triangle poly1Segment aSegment a: Segment [B, C] of Triangle poly1Segment bSegment b: Segment [C, A] of Triangle poly1Segment fSegment f: Segment [A, D] Segment gSegment g: Segment [D, E] Segment hSegment h: Segment [E, F] Point AA = (4.18,3.88) Point AA = (4.18,3.88) Point AA = (4.18,3.88) Point BB = (2.78,0.76) Point BB = (2.78,0.76) Point BB = (2.78,0.76) Point CC = (7.98,0.82) Point CC = (7.98,0.82) Point CC = (7.98,0.82) Point DPoint D: Point on aPoint DPoint D: Point on aPoint DPoint D: Point on aPoint EPoint E: Point on cPoint EPoint E: Point on cPoint EPoint E: Point on cPoint FPoint F: Point on aPoint FPoint F: Point on aPoint FPoint F: Point on a

Image of the Adjoining Figure of a Triangle ABC Having EF∥AD and ED∥AC

Choices

Choice (4)Response

a.

46.67 cm

b.

49 cm

c.

36 cm

d.

23.34 cm

Question number: 144

» Mental Ability » Basic Geometry

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Question

Two chords AB and CD of a circle cut each other when produced outside the circle at P. If AD and BC are joined, and , find .

Circle cCircle c: Circle through B with center OArc dArc d: Semicircle through E and FArc eArc e: Semicircle through G and HArc pArc p: Semicircle through I and JSegment fSegment f: Segment [C, B] Segment gSegment g: Segment [A, D] Segment hSegment h: Segment [D, P] Segment iSegment i: Segment [P, B] Segment jSegment j: Segment [C, D] Segment kSegment k: Segment [A, B] Point BB = (6.34,1.32) Point BB = (6.34,1.32) Point BB = (6.34,1.32) Point CPoint C: Point on cPoint CPoint C: Point on cPoint CPoint C: Point on cPoint APoint A: Point on cPoint APoint A: Point on cPoint APoint A: Point on cPoint DPoint D: Point on cPoint DPoint D: Point on cPoint DPoint D: Point on cPoint PP = (11.24,2.5) Point PP = (11.24,2.5) Point PP = (11.24,2.5) 50â°text1 = “50â°â€35â°text1_1 = “35â°â€

Image of a Circle Having Two Chords AB and CD Having Angle P = 35

Choices

Choice (4)Response

a.

b.

c.

d.

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