# 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 ________.

### Choices

Choice (4)Response

a.

b.

c.

d.