# Mathematics-Triangle and Properties [NSTSE (National Science Talent Search Exam- Unified Council) Class 7]: Questions 1 - 7 of 80

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## Question 1

### Question

MCQ▾Two sides of an isosceles triangle are 3 cm and 7 cm. Then the length of third side is

### Choices

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

a. | 10 cm | |

b. | 3 cm | |

c. | 7 cm | |

d. | Question does not provide sufficient data or is vague |

## Question 2

### Question

Assertion-Reason▾### Assertion(Ꭺ)

An isosceles triangle is right angled

### Reason(Ꭱ)

and

### Choices

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

a. | Both Ꭺ and Ꭱ are false | |

b. | Ꭺ is false but Ꭱ is true | |

c. | Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ | |

d. | Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ |

## Question 3

### Question

MCQ▾In a and is thrice that of . Then =

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 4

### Question

MCQ▾Two electric pillars 25 m and 17 m high stand upright in a ground. If their feet are 15 m apart, then the distance between their tops is

### Choices

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

a. | 8 m | |

b. | 25 m | |

c. | 32 m | |

d. | 17 m |

## Question 5

### Question

MCQ▾In a , if then ________.

### Choices

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

a. | ||

b. | ||

c. | ||

d. | All of the above |

## Question 6

### Question

MCQ▾The triangle formed by BC = 8.2 cm, AC = 7 cm and is

### Choices

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

a. | An obtuse angle triangle | |

b. | An acute angle triangle | |

c. | A right angled triangle | |

d. | All of the above |

## Question 7

### Question

MCQ▾The Centroid of a triangle is the point where

### Choices

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

a. | The medians meet | |

b. | The bisectors of the angles of the triangle meet | |

c. | The right bisectors of the sides of the triangle meet | |

d. | The altitudes meet |