# Triangles and Circles (IMO- Mathematics Olympiad (SOF) Class 9): Questions 28 - 33 of 79

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## Question number: 28

» Triangles and Circles

MCQ▾

### Question

The area of trapezium ABCD is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 29

» Triangles and Circles

MCQ▾

### Question

Centroid of a triangle is the point of concurrency of its ________

### Choices

Choice (4) Response

a.

Angle

b.

Perpendicular bisectors

c.

Medians

d.

Triangle

## Question number: 30

» Triangles and Circles

MCQ▾

### Question

In triangle XYZ, the altitude from X to YZ meets YZ at K, and the altitude from Y to XZ meets XK at M. if , and , if then the length of MK is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 31

» Triangles and Circles

MCQ▾

### Question

The locus of a point equidistant from the three vertices of a triangle is ________

### Choices

Choice (4) Response

a.

Incenter

b.

Centroid

c.

Orthocenter

d.

Circumcenter

## Question number: 32

» Triangles and Circles

MCQ▾

### Question

If all medians of a triangle are equal, then the triangle is ________

### Choices

Choice (4) Response

a.

Isosceles triangle

b.

Right angle triangle

c.

Equilateral triangle

d.

Scalene triangle

## Question number: 33

» Triangles and Circles

MCQ▾

### Question

Triangle AXY is formed by three tangents to circle with center Z and, then angle XYZ equals ________

### Choices

Choice (4) Response

a.

b.

c.

d.

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