NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 21 - 23 of 2000

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Question number: 21

» Mathematics » Circles

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MCQ▾

Question

The radius of a circle is 2.5 cm. AB and CD are two parallel chords 2.7 cm apart. If cm then CD is equal to

Choices

Choice (4) Response

a.

5.2 cm

b.

3 cm

c.

7.3 cm

d.

8 cm

Question number: 22

» Mathematics » Lines and Angles

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Question

Two adjacent angles whose sum is is called

Choices

Choice (4) Response

a.

Linear pair

b.

Complementary angles

c.

Vertically opposite angles

d.

Question does not provide sufficient data or is vague

Question number: 23

» Mathematics » Lines and Angles

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In the figure find x if .

Arc d Arc d: Semicircle through I and J Arc c Arc c: Semicircle through H and L Arc e Arc e: Semicircle through M and N Segment f Segment f: Segment [A, B] Segment g Segment g: Segment [B, C] Segment h Segment h: Segment [C, D] Segment i Segment i: Segment [C, E] Segment j Segment j: Segment [E, F] Segment k Segment k: Segment [E, G] Vector u Vector u: Vector [K, D] Vector u Vector u: Vector [K, D] Vector v Vector v: Vector [O, P] Vector v Vector v: Vector [O, P] Point A A = (-3.74,3.34) Point A A = (-3.74,3.34) Point A A = (-3.74,3.34) Point B B = (-0.54,3.34) Point B B = (-0.54,3.34) Point B B = (-0.54,3.34) Point C C = (-2.24,0.84) Point C C = (-2.24,0.84) Point C C = (-2.24,0.84) Point D D = (2.2,0.82) Point D D = (2.2,0.82) Point D D = (2.2,0.82) Point E E = (0.56,2.64) Point E E = (0.56,2.64) Point E E = (0.56,2.64) Point F F = (4.16,2.56) Point F F = (4.16,2.56) Point F F = (4.16,2.56) Point G G = (3.82,3.62) Point G G = (3.82,3.62) Point G G = (3.82,3.62) 35â° text1 = “35â°” 140â° text1_2 = “140â°” x text1_3 = “x”

Image of a Figure Mage by Some Lines in Which AB∥CD

Representing the image of a figure mage by some lines in which AB∥CD

Choices

Choice (4) Response

a.

b.

c.

d.

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