Understanding Elementary Shapes (IMO- Mathematics Olympiad Class 6): Questions 25 - 26 of 82

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1049 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 25

» Understanding Elementary Shapes

MCQ▾

Question

In the figure, not drawn to scale, CBF is a straight line and DBE=900. Find CBD.

Arc c Arc c: Semicircle through G and HArc d Arc d: Semicircle through M and NLine f Line f: Line through A, DLine f Line f: Line through A, DLine g Line g: Line through F, CRay h Ray h: Ray through B, ESegment i Segment i: Segment [I, J] Segment j Segment j: Segment [J, K] Point A A = (2.1, 3.7) Point A A = (2.1, 3.7) Point A A = (2.1, 3.7) Point D D = (7.86, 2.3) Point D D = (7.86, 2.3) Point D D = (7.86, 2.3) Point F F = (3.86, 5.2) Point F F = (3.86, 5.2) Point F F = (3.86, 5.2) Point C C = (6.12, 0.7) Point C C = (6.12, 0.7) Point C C = (6.12, 0.7) Point B Point B: Intersection point of f, gPoint B Point B: Intersection point of f, gPoint B Point B: Intersection point of f, gPoint E E = (6.1, 5.68) Point E E = (6.1, 5.68) Point E E = (6.1, 5.68) 43? text1 = “43? “

Image Made by Some Different Lines Making Some Angles

Showing an image made by different line so find the angle CBD

Choices

Choice (4) Response

a.

430

b.

580

c.

430

d.

470

Question number: 26

» Understanding Elementary Shapes

MCQ▾

Question

In figure, the side BC of ABC is produced to E, where ACE=1400 . If CD bisects ACB and ABC=600 , find BDC and BAC respectively.

Triangle poly1 Triangle poly1: Polygon A, B, CArc d Arc d: Semicircle through F and GArc e Arc e: Semicircle through H and ISegment c Segment c: Segment [A, B] of Triangle poly1Segment a Segment a: Segment [B, C] of Triangle poly1Segment b Segment b: Segment [C, A] of Triangle poly1Segment f Segment f: Segment [C, D] Segment g Segment g: Segment [C, E] Point A A = (5, 5) Point A A = (5, 5) Point A A = (5, 5) Point B B = (3.26, 2) Point B B = (3.26, 2) Point B B = (3.26, 2) Point C C = (9.18, 2.02) Point C C = (9.18, 2.02) Point C C = (9.18, 2.02) Point D Point D: Point on cPoint D Point D: Point on cPoint D Point D: Point on cPoint E E = (11.84, 2.06) Point E E = (11.84, 2.06) Point E E = (11.84, 2.06) 140? text1 = “140? “60? text1_1 = “60? “

Image of a Triangle ABC Having a Bisector CD

Showing an image of a triangle ABC having a bisector CD then find angle BDC and BAC

Choices

Choice (4) Response

a.

600,1000

b.

1000,800

c.

800,800

d.

600,1100

f Page
Sign In