NCO- Cyber Olympiad (SOF) Class 10: Questions 55 - 56 of 461

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Question number: 55

» Mental Ability » Basic Geometry

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Calculate the area of the shaded portion. The quadrants shown in the figure are each of radius 7 cm. Take .

Image of a portion covered by four shaded quadrants

Image of a Portion Covered by Four Shaded Quadrants

Representing the image of a portion covered by four shaded quadrants

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 56

» Mental Ability » Basic Geometry

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An exhibition tent is in the form of a cylinder surrounded by a cone. The height of the tent above the ground is 78 m and the height of the cylindrical part is 45 m. If the diameter of the base is 112 m, find the quantity of canvas required to make the tent. Allow 10 % extra for folds and for stitching. Give your answer to the nearest .

Ellipse c Ellipse c: Ellipse with foci A, B passing through C Ellipse c_1 Ellipse c_1: Ellipse with foci A_1, B_1 passing through C_1 Segment f Segment f: Segment [A, A_1] Segment g Segment g: Segment [B_1, B] Segment h Segment h: Segment [A_1, D] Segment i Segment i: Segment [D, B_1] Segment j Segment j: Segment [A, B] Segment k Segment k: Segment [E, F] Segment l Segment l: Segment [A_1, B_1] Vector u Vector u: Vector [G, H] Vector u Vector u: Vector [G, H] Vector v Vector v: Vector [G, I] Vector v Vector v: Vector [G, I] Vector u_1 Vector u_1: Vector [G_1, H_1] Vector u_1 Vector u_1: Vector [G_1, H_1] Vector v_1 Vector v_1: Vector [G_1, I_1] Vector v_1 Vector v_1: Vector [G_1, I_1] Vector w Vector w: Vector [J, K] Vector w Vector w: Vector [J, K] Vector a Vector a: Vector [J, L] Vector a Vector a: Vector [J, L] 56 m text1_1 = “56 m” 45 m text1_2 = “45 m” 33 m text1_3 = “33 m”

Image of a Tent in the Form of a Cylinder Surrounded by a Cone

Representing the image of a tent in the form of a cylinder surrounded by a cone

Choices

Choice (4) Response

a.

b.

c.

d.