Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 79 - 83 of 989

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Question 79

Mathematics
Edit

Question

MCQ▾

A circle with radius 4.5 units is intersected by a line at points A and B. The maximum possible distance between A and B is

Choices

Choice (4)Response

a.

2.25 units

b.

units

c.

units

d.

9 units

Question 80

Mathematics
Edit

Question

MCQ▾

ABCD is a parallelogram in which and then = ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 81

Mathematics
Edit

Question

MCQ▾

In a if and then the shortest and the largest sides of the triangle are

Choices

Choice (4)Response

a.

AB, BC

b.

AB, AC

c.

BC, AC

d.

None of the above

Question 82

Mathematics
Edit

Question

MCQ▾

In a rhombus ABCD, the diagonals intersect at O. If , diagonal , then the length of the diagonal AC is ________.

Choices

Choice (4)Response

a.

37 cm

b.

12 cm

c.

13 cm

d.

10 cm

Question 83

Mathematics
Edit

Question

MCQ▾

The measure of angle y in the given figure is ________.

Arc cArc c: Semicircle through E and FArc dArc d: Semicircle through F and GSegment fSegment f: Segment [A, B] Segment gSegment g: Segment [C, D] Point AA = (-2.76,0.4) Point AA = (-2.76,0.4) Point AA = (-2.76,0.4) Point BB = (2.96,0.38) Point BB = (2.96,0.38) Point BB = (2.96,0.38) Point CPoint C: Point on fPoint CPoint C: Point on fPoint CPoint C: Point on fPoint DD = (0.8,2.84) Point DD = (0.8,2.84) Point DD = (0.8,2.84) 105â°text1 = “105â°”yâ°text1_1 = “yâ°”

Image of Two Lines Making Two Angles

Choices

Choice (4)Response

a.

b.

c.

d.