IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 651 - 653 of 1022

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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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Question

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

Arc cArc c: Semicircle through F and GArc dArc d: Semicircle through H and ISegment fSegment f: Segment [A, B] Segment gSegment g: Segment [B, C] Segment hSegment h: Segment [C, D] Segment iSegment i: Segment [D, A] Segment jSegment j: Segment [B, E] Segment kSegment k: Segment [D, B] Point AA = (3.91,1.61) Point AA = (3.91,1.61) Point AA = (3.91,1.61) Point BB = (6,1.61) Point BB = (6,1.61) Point BB = (6,1.61) Point CC = (5.46,3.26) Point CC = (5.46,3.26) Point CC = (5.46,3.26) Point DD = (3.42,3.26) Point DD = (3.42,3.26) Point DD = (3.42,3.26) Point EE = (8.46,1.61) Point EE = (8.46,1.61) Point EE = (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.

Question number: 653

» Practical Geometry - Lines and Angles

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MCQ▾

Question

The figure below is not drawn to scale. Find .

Triangle poly1Triangle poly1: Polygon X, Y, ZArc dArc d: Semicircle through E and FArc eArc e: Semicircle through G and HSegment cSegment c: Segment [X, Y] of Triangle poly1Segment aSegment a: Segment [Y, Z] of Triangle poly1Segment bSegment b: Segment [Z, X] of Triangle poly1Segment fSegment f: Segment [S, T] Segment gSegment g: Segment [U, V] Vector uVector u: Vector [A, B] Vector uVector u: Vector [A, B] Vector u_1Vector u_1: Vector [A_1, B_1] Vector u_1Vector u_1: Vector [A_1, B_1] Vector vVector v: Vector [C, D] Vector vVector v: Vector [C, D] Vector v_1Vector v_1: Vector [C_2, D_2] Vector v_1Vector v_1: Vector [C_2, D_2] Point XX = (5.37,4.17) Point XX = (5.37,4.17) Point XX = (5.37,4.17) Point YY = (3.55,1.12) Point YY = (3.55,1.12) Point YY = (3.55,1.12) Point ZZ = (7.6,1.14) Point ZZ = (7.6,1.14) Point ZZ = (7.6,1.14) Point SPoint S: Point on bPoint SPoint S: Point on bPoint SPoint S: Point on bPoint TPoint T: Point on aPoint TPoint T: Point on aPoint TPoint T: Point on aPoint UPoint U: Point on cPoint UPoint U: Point on cPoint UPoint U: Point on cPoint VPoint V: Point on aPoint VPoint V: Point on aPoint VPoint V: Point on a53â°text1 = “53â°”72â°text1_1 = “72â°”

Image of a Triangle XYZ Making Some Angles by Lines in It

Showing image of a triangle XYZ making some angles by lines in it, so find the angle XYZ

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

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