NCO- Cyber Olympiad (SOF) Class 8: Questions 266 - 267 of 510

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Question number: 266

» Mental Ability » Basic Geometry

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In the below figure, if PXQ is a straight line, then is equal to

Arc c Arc c: Semicircle through G and H Arc d Arc d: Semicircle through I and J Arc e Arc e: Semicircle through J and K Arc k Arc k: Semicircle through K and G Segment f Segment f: Segment [P, Q] Segment g Segment g: Segment [R, X] Segment h Segment h: Segment [X, S] Segment i Segment i: Segment [X, T] Point P P = (4.38, -0.88) Point P P = (4.38, -0.88) Point P P = (4.38, -0.88) Point Q Q = (6.92,4.12) Point Q Q = (6.92,4.12) Point Q Q = (6.92,4.12) Point R R = (3.7,4.2) Point R R = (3.7,4.2) Point R R = (3.7,4.2) Point X Point X: Point on f Point X Point X: Point on f Point X Point X: Point on f Point S S = (9.26,3.52) Point S S = (9.26,3.52) Point S S = (9.26,3.52) Point T T = (9.6,0.92) Point T T = (9.6,0.92) Point T T = (9.6,0.92) 3xâ° text1 = “3xâ°â€ (5x 10) â° text1_1 = “ (5x 10) â°â€ 35â° text1_2 = “35â°â€ (3x-25) â° text1_3 = “ (3x-25) â°â€

Image of Some Line Segments Having Different Measured Angles

Representing the image of some line segments having different measured angles and one unknown angle

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 267

» Mental Ability » Basic Geometry

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Question

Lines l, m and n intersect at the same point forming the six angles shown. Lines l and m are perpendicular. Which angles make a straight angle?

Segment f Segment f: Segment [A, B] Segment g Segment g: Segment [C, D] Segment h Segment h: Segment [E, F] Point A A = (5.58, -0.16) Point A A = (5.58, -0.16) Point A A = (5.58, -0.16) Point B B = (5.64,3.96) Point B B = (5.64,3.96) Point B B = (5.64,3.96) Point C C = (3.4,1.88) Point C C = (3.4,1.88) Point C C = (3.4,1.88) Point D D = (9.18,1.8) Point D D = (9.18,1.8) Point D D = (9.18,1.8) Point E E = (3.8,0.06) Point E E = (3.8,0.06) Point E E = (3.8,0.06) Point F F = (8.06,4.22) Point F F = (8.06,4.22) Point F F = (8.06,4.22) Point G Point G: Intersection of f and g Point G Point G: Intersection of f and g Point G Point G: Intersection of f and g 1 text1 = “1” 2 text1_1 = “2” 3 text2 = “3” 4 text3 = “4” 5 text4 = “5” 6 text5 = “6” m text6 = “m” l text7 = “l” n text8 = “n”

Image of Three Lines L, M and N Intersect at a Same Point

Representing the image of three lines l, m and n intersect at a same point

Choices

Choice (4) Response

a.

b.

c.

d.