Understanding Elementary Shapes (IMO- Mathematics Olympiad Class 6): Questions 48 - 49 of 82

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Question number: 48

» Understanding Elementary Shapes

MCQ▾

Question

In an isosceles ABC , the bisectors of B and C meet at D. If BAC=1100 , then BDC is equal to

Choices

Choice (4) Response

a.

700

b.

550

c.

350

d.

1450

Question number: 49

» Understanding Elementary Shapes

MCQ▾

Question

In the figure, not drawn to scale, ABDE is a rhombus and ABC is a straight line. Find BDE.

Arc c Arc c: Semicircle through N and OSegment f Segment f: Segment [A, B] Segment g Segment g: Segment [B, C] Segment h Segment h: Segment [A, E] Segment i Segment i: Segment [E, B] Segment j Segment j: Segment [B, D] Segment k Segment k: Segment [D, C] Segment l Segment l: Segment [E, D] Segment m Segment m: Segment [F, G] Segment m_1 Segment m_1: Segment [F_1, G_1] Segment m_2 Segment m_2: Segment [F_2, G_2] Segment m_3 Segment m_3: Segment [F_3, G_3] Segment n Segment n: Segment [H, I] Segment n_1 Segment n_1: Segment [H_1, I_1] Segment n_2 Segment n_2: Segment [H_2, I_2] Segment n_3 Segment n_3: Segment [H_3, I_3] Point A A = (2, 1) Point A A = (2, 1) Point A A = (2, 1) Point B B = (5.34, 1) Point B B = (5.34, 1) Point B B = (5.34, 1) Point C C = (8, 1) Point C C = (8, 1) Point C C = (8, 1) Point E E = (3, 4) Point E E = (3, 4) Point E E = (3, 4) Point D D = (6.36, 4.02) Point D D = (6.36, 4.02) Point D D = (6.36, 4.02) 48? text1 = “48? “

Image Made by a Rhombus and a Triangle

Showing an image made by a rhombus and a triangle

Choices

Choice (4) Response

a.

660

b.

480

c.

560

d.

330

f Page
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