# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 649 - 655 of 1022

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## Question 649

### Question

MCQ▾

In the figure (not drawn to scale) , ABC is an equilateral triangle and BCD is an isosceles triangle with DB = DC, find x. A Triangle ABC Having Another Triangle BCD in It

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 650

### Question

MCQ▾

In the given if AB = AC and BD = DC, then ________. A Triangle ABC with an Altitude AD

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 651

### Question

MCQ▾

In a if , then the perimeter of the triangle is ________.

### Choices

Choice (4)Response

a.

22 cm

b.

19 cm

c.

28 cm

d.

17 cm

## Question 652

### Question

MCQ▾

In the figure (not drawn to scale) , ABCD is rhombus, ABE is a straight line. Find . Image Made by a Rhombus and a Line ABE

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 653

### Question

MCQ▾

The figure below is not drawn to scale. Find . A Triangle XYZ Making Some Angles by Lines in It

### Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

## Question 654

### Question

MCQ▾

The sides of a measure 3 cm, 4 cm and 5 cm. The area of the triangle is ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

## Question 655

### Question

MCQ▾

In the figure (not drawn to scale) , ABCD is square, ABE is a straight line. Find . Image Made by a Square and a Line ABE

### Choices

Choice (4)Response

a.

b.

c.

d.