# IMO- Mathematics Olympiad Class 9: Questions 183 - 187 of 919

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## Question number: 183

MCQ▾

### Question

All the three quadrilaterals ADEC, ABIH and BCGF are squares and if the area of and area of, then find the area of BCGF?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 184

MCQ▾

### Question

If two supplementary angles are in the ratio 13: 5, then the angles is ________

### Choices

Choice (4) Response

a.

130˚, 50˚

b.

125˚, 55˚

c.

145˚, 35˚

d.

120˚, 60˚

## Question number: 185

MCQ▾

### Question

Two supplementary angles differ by 34˚. Then the angles are ________

### Choices

Choice (4) Response

a.

72˚, 108˚

b.

107˚, 73˚

c.

74˚, 107˚

d.

120˚, 60˚

## Question number: 186

MCQ▾

### Question

In a parallelogram ABCD, , then the measurement of ∠A is ________

### Choices

Choice (4) Response

a.

65˚

b.

75˚

c.

90˚

d.

120˚

## Question number: 187

MCQ▾

### Question

The given figure, ABCD is a trapezium in which ∠A= (x + 25) ˚, ∠B = y˚, ∠C = 95˚ and ∠D= (2x + 5) ˚ then the value of x and y are________

### Choices

Choice (4) Response

a.

b.

c.

d.

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