Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 67 - 69 of 989

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Question 67

Mathematics
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Question

MCQ▾

As shown in the figure, ABC is a triangle inscribed in a circle with center O. If then is equal to

Circle cCircle c: Circle through B with center OArc dArc d: Semicircle through D and ESegment fSegment f: Segment [A, O] Segment gSegment g: Segment [O, B] Segment hSegment h: Segment [A, C] Segment iSegment i: Segment [C, B] Segment jSegment j: Segment [A, B] Point OO = (3.26,2.9) Point OO = (3.26,2.9) Point OO = (3.26,2.9) Point BB = (5.16,1.76) Point BB = (5.16,1.76) Point BB = (5.16,1.76) Point APoint A: Point on cPoint APoint A: Point on cPoint APoint A: Point on cPoint CPoint C: Point on cPoint CPoint C: Point on cPoint CPoint C: Point on c20â°text1 = “20â°”

Image of Triangle ABC Inscribed in Center and ∠OBA = 20 Degree

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question 68

Mathematics
Edit

Question

MCQ▾

The basic elements of a triangle are

Choices

Choice (4)Response

a.

3 vertices

b.

3 sides

c.

3 angles

d.

All a. , b. and c. are correct

Question 69

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Question

MCQ▾

ABCD is a parallelogram and ‘O’ is the point of intersection of its diagonals AC and BD. If the area of , the area of the parallelogram is ________.

Choices

Choice (4)Response

a.

b.

c.

d.