Mensuration (IMO- Mathematics Olympiad Class 6): Questions 20 - 21 of 82

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Question number: 20

» Mensuration

MCQ▾

Question

A rope is in the shape of a square of perimeter 48 cm. A rectangle is formed with this rope such that its length is 10 cm. Then, the area of the rectangle is

Choices

Choice (4) Response

a.

540 cm2

b.

140 cm2

c.

280 cm2

d.

None of the above

Question number: 21

» Mensuration

MCQ▾

Question

Find the area of unshaded part of the figure.

Quadrilateral poly1 Quadrilateral poly1: Polygon A, B, C, DQuadrilateral poly2 Quadrilateral poly2: Polygon A, E, F, GQuadrilateral poly3 Quadrilateral poly3: Polygon P, Q, R, SSegment a Segment a: Segment [A, B] of Quadrilateral poly1Segment b Segment b: Segment [B, C] of Quadrilateral poly1Segment c Segment c: Segment [C, D] of Quadrilateral poly1Segment d Segment d: Segment [D, A] of Quadrilateral poly1Segment a_1 Segment a_1: Segment [A, E] of Quadrilateral poly2Segment e Segment e: Segment [E, F] of Quadrilateral poly2Segment f Segment f: Segment [F, G] of Quadrilateral poly2Segment g Segment g: Segment [G, A] of Quadrilateral poly2Segment l Segment l: Segment [L, M] Segment l_1 Segment l_1: Segment [L_1, M_1] Segment m Segment m: Segment [N, O] Segment m_1 Segment m_1: Segment [N_1, O_1] Segment p Segment p: Segment [P, Q] of Quadrilateral poly3Segment q Segment q: Segment [Q, R] of Quadrilateral poly3Segment r Segment r: Segment [R, S] of Quadrilateral poly3Segment s Segment s: Segment [S, P] of Quadrilateral poly34 cm text1 = “4 cm”3 cm text1_1 = “3 cm”7 cm text1_2 = “7 cm”10 cm text1_3 = “10 cm”3 cm text1_4 = “3 cm”

Image of Rectangle and a Square Inscribed in a Square

Showing an image of rectangle and a square inscribed in a square

Choices

Choice (4) Response

a.

70 sq. cm

b.

20 sq. cm

c.

55 sq. cm

d.

80 sq. cm

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