# NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 69 - 71 of 2000

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## Question number: 69

» Mathematics » Triangles

### Question

A, B, C are the three angles of a triangle. If , then are

### Choices

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

a. |
| |

b. |
| |

c. |
| |

d. | None of the above |

## Question number: 70

» Mathematics » Triangles

### Question

State the property by which in the following figure,

### Choices

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

a. | RHS property | |

b. | ASA property | |

c. | SSS property | |

d. | SAS property |

## Question number: 71

» Mathematics » Lines and Angles

### Question

If A: If the hypotenuse and an acute angle of one right triangle is equal to the hypotenuse and corresponding acute angle of another right triangle, then those two triangles are congruent and

R: By RHS property, the two right triangles are congruent, then which of the following statements is true?

### Choices

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

a. | A is false and R is the correct explanation of A | |

b. | A is false and R is false | |

c. | A is true and R is the correct explanation of A | |

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