# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 205 - 209 of 989

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## Question 205

### Question

MCQ▾In the given figure because they are

### Choices

Choice (4) | Response | |
---|---|---|

a. | Vertically opposite | |

b. | Corresponding | |

c. | Alternate | |

d. | All of the above |

## Question 206

### Question

MCQ▾A quadrilateral which has exactly one pair of parallel sides is called

### Choices

Choice (4) | Response | |
---|---|---|

a. | A kite | |

b. | A rectangle | |

c. | A trapezium | |

d. | A parallelogram |

## Question 207

### Question

MCQ▾A triangle is a plane figure formed by joining 3 ________ points.

### Choices

Choice (4) | Response | |
---|---|---|

a. | Concurrent | |

b. | Collinear | |

c. | Non-collinear | |

d. | All of the above |

## Question 208

### Question

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

### Choices

Choice (4) | Response | |
---|---|---|

a. | 12 cm | |

b. | 6 cm | |

c. | 24 cm | |

d. | 18 cm |

## Question 209

### Question

MCQ▾In a parallelogram ABCD, diagonal AC and BD intersect at O. If then AC = ________.

### Choices

Choice (4) | Response | |
---|---|---|

a. | 18 cm | |

b. | 12 cm | |

c. | 6 cm | |

d. | 24 cm |