NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 400 - 401 of 2000

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Question number: 400

» Mathematics » Lines and Angles

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MCQ▾

Question

In the figure, the bisector of B and C meet at O. Then is

Triangle poly1 Triangle poly1: Polygon A, B, C Triangle poly2 Triangle poly2: Polygon B, O, C Arc e Arc e: Semicircle through D and E Arc f Arc f: Semicircle through E and F Arc g Arc g: Semicircle through G and H Arc h Arc h: Semicircle through H and I Segment c Segment c: Segment [A, B] of Triangle poly1 Segment a Segment a: Segment [B, C] of Triangle poly1 Segment b Segment b: Segment [C, A] of Triangle poly1 Segment c_1 Segment c_1: Segment [B, O] of Triangle poly2 Segment b_1 Segment b_1: Segment [O, C] of Triangle poly2 Segment d Segment d: Segment [C, B] of Triangle poly2 Point A A = (0.2,2.08) Point A A = (0.2,2.08) Point A A = (0.2,2.08) Point B B = (-1.96, -0.94) Point B B = (-1.96, -0.94) Point B B = (-1.96, -0.94) Point C C = (2.18, -0.98) Point C C = (2.18, -0.98) Point C C = (2.18, -0.98) Point O O = (0.18,0.16) Point O O = (0.18,0.16) Point O O = (0.18,0.16) 1 text1 = “1” 2 text1_1 = “2” 3 text1_2 = “3” 4 text1_3 = “4”

Image of a Triangle ABC with Interior Triangle BOC

Representing the image of a triangle ABC with interior triangle BOC

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

Question number: 401

» Mathematics » Quadrilaterals

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In the adjoining figure ABCD, the angles x and y are

Quadrilateral poly1 Quadrilateral poly1: Polygon A, B, C, D Arc e Arc e: Semicircle through E and F Arc g Arc g: Semicircle through F and G Arc h Arc h: Semicircle through H and I Arc k Arc k: Semicircle through I and J Segment a Segment a: Segment [A, B] of Quadrilateral poly1 Segment b Segment b: Segment [B, C] of Quadrilateral poly1 Segment c Segment c: Segment [C, D] of Quadrilateral poly1 Segment d Segment d: Segment [D, A] of Quadrilateral poly1 Segment f Segment f: Segment [A, C] Vector u Vector u: Vector [K, L] Vector u Vector u: Vector [K, L] Vector u_1 Vector u_1: Vector [K_1, L_1] Vector u_1 Vector u_1: Vector [K_1, L_1] Point A A = (-0.29,1.98) Point A A = (-0.29,1.98) Point A A = (-0.29,1.98) Point B B = (3.73,2.13) Point B B = (3.73,2.13) Point B B = (3.73,2.13) Point C C = (4.65,4.91) Point C C = (4.65,4.91) Point C C = (4.65,4.91) Point D D = (0.8,4.71) Point D D = (0.8,4.71) Point D D = (0.8,4.71) 70â° text1 = “70â°” 20â° text1_1 = “20â°” y text1_2 = “y” x text1_3 = “x”

Image of an Adjoining Figure ABCD

Representing the image of an adjoining figure ABCD

Choices

Choice (4) Response

a.

b.

c.

d.

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