# Pythagoras Theorem ICSE Class-9th RS Aggarwal Maths Goyal Brothers

**Pythagoras Theorem ICSE Class-9th RS** Aggarwal Mathematics Solutions Goyal Brothers Prakashan Chapter-10. therefore We provide step by step Solutions of Exercise / lesson-10 **Pythagoras Theorem** for **ICSE Class-9 RS** Aggarwal Mathematics .

Our Solutions contain all type Questions with Exe-10 A to develop skill and confidence. Visit official Website **CISCE** for detail information about ICSE Board Class-9 Mathematics.

Board | ICSE |

Publications | Goyal brothers Prakshan |

Subject | Maths |

Class | 9th |

Chapter-10 | Pythagoras Theorem |

Writer | RS Aggrawal |

Book Name | Foundation |

Topics | Solution of Exe-10 and Questions to develop skill and confidence |

Academic Session | 2021-2022 |

**Pythagoras Theorem ICSE Class-9th RS** Aggarwal Mathematics Solutions Goyal Brothers Prakashan Chapter-10

### Statement of Pythagoras Theorem

Pythagoras theorem states that “**In a right-angled triangle, the square of the hypotenuse side is equal to the sum of squares of the other two sides**“. The sides of this triangles have been named as Perpendicular, Base and Hypotenuse. Here, the **hypotenuse** is the longest side, as it is opposite to the angle 90°

### Pythagoras Theorem Formula

#### Applications of Pythagoras Theorem

- To know if the triangle is a right-angled triangle or not.
- In a right-angled triangle, we can calculate the length of any side if the other two sides are given.
- To find the diagonal of a square.

### Exercise – 10, **Pythagoras Theorem ICSE Class-9th RS** Aggarwal Mathematics Solutions Goyal Brothers Prakashan

Page 124-126

Question 1

In Triangle ABC , angle C =90 if BC = a and AB=c find

Question 2

length …………………….. hypotenuse

Question 3

A rectangular ………………..diagonal

Question 4

…………………

Question 5

A ladder ……………… building

Question 6

………………….

Question 7

A ladder 15 m ……………street.

Question 8

In the given ……………..ABCD is a quadrilateral …………….length of AB

Question 10

In a rhombus ……………. area of rhombus

Question 11

From ………. find area of trapezium ABCD

Question 12

The sides ……………….. triangle

Question 13

find altitude ………………. cm

Question 14

in rhombus ABCD …………..

Question 15

in triangle ABC ……………….

(i) ………

(ii) ……………

Question 16

Two pole ……………………………. tops

Question 17

In triangle ABC , if AB=AC, and D is a point on BC prove that ………………..=BD x CD

–: End of **Pythagoras Theorem ICSE Class-9th RS** Aggarwal Solutions :–

Return to – **RS Aggarwal Solutions for ICSE Class-9 Goyal Brothers Prakashan**

Thanks