IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 650 - 652 of 1022

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Question number: 650

» Triangle and Its Properties

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MCQ▾

Question

In the given if AB = AC and BD = DC, then ________.

Triangle poly1 Triangle poly1: Polygon A, B, C 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 f Segment f: Segment [A, D] Segment g Segment g: Segment [E, F] Segment h Segment h: Segment [G, H] Segment i Segment i: Segment [I, J] Segment i_1 Segment i_1: Segment [I_1, J_1] Segment i_2 Segment i_2: Segment [I_2, J_2] Segment i_3 Segment i_3: Segment [I_3, J_3] Point A A = (3.08,4.82) Point A A = (3.08,4.82) Point A A = (3.08,4.82) Point B B = (1.12,1.58) Point B B = (1.12,1.58) Point B B = (1.12,1.58) Point C C = (5.24,1.58) Point C C = (5.24,1.58) Point C C = (5.24,1.58) Point D Point D: Point on a Point D Point D: Point on a Point D Point D: Point on a

Image of a Triangle ABC with an Altitude AD

Showing an image of a triangle ABC with an altitude AD, then find angle ADC

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 651

» Triangle and Its Properties

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MCQ▾

Question

In a if , then the perimeter of the triangle is ________.

Choices

Choice (4) Response

a.

22 cm

b.

19 cm

c.

28 cm

d.

17 cm

Question number: 652

» Practical Geometry - Lines and Angles

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MCQ▾

Question

In the figure (not drawn to scale), ABCD is rhombus, ABE is a straight line. Find .

Arc c Arc c: Semicircle through F and G Arc d Arc d: Semicircle through H and I 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 [D, A] Segment j Segment j: Segment [B, E] Segment k Segment k: Segment [D, B] Point A A = (3.91,1.61) Point A A = (3.91,1.61) Point A A = (3.91,1.61) Point B B = (6,1.61) Point B B = (6,1.61) Point B B = (6,1.61) Point C C = (5.46,3.26) Point C C = (5.46,3.26) Point C C = (5.46,3.26) Point D D = (3.42,3.26) Point D D = (3.42,3.26) Point D D = (3.42,3.26) Point E E = (8.46,1.61) Point E E = (8.46,1.61) Point E E = (8.46,1.61) 27â° text1 = “27â°”

Image Made by a Rhombus and a Line ABE

Showing an image made by a rhombus and a line ABE, so find angle DBE

Choices

Choice (4) Response

a.

b.

c.

d.