# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 328 - 334 of 989

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## Question 328

Edit

### Question

MCQ▾

The perimeter of a square is , Its area is ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 329

Mathematics
Edit

### Question

MCQ▾

An angle which is equal to is called

### Choices

Choice (4)Response

a.

Complete angle

b.

Obtuse angle

c.

Acute angle

d.

Right angle

## Question 330

Mathematics
Edit

### Question

MCQ▾

Which of the following statements is true?

### Choices

Choice (4)Response

a.

Two squares having the same side length are congruent

b.

Two line segments having the same length are congruent

c.

Two circles having the same radius are congruent

d.

All a. , b. and c. are correct

## Question 331

Mathematics
Edit

### Question

MCQ▾

The chord of the larger of two concentric circles is tangent to the smaller circle and has length ‘a’. The area enclosed between the concentric circles is

### Choices

Choice (4)Response

a.

b.

Cannot be determined from given data

c.

d.

## Question 332

Mathematics
Edit

### Question

MCQ▾

If x, y and z are the sides of a triangle, then

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 333

Mathematics
Edit

### Question

MCQ▾

Supplementary angle of is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 334

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.

6 cm

b.

12 cm

c.

3 cm

d.

8 cm