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## Areas of Parallelograms and Triangles Formulas for Class 9 Maths Chapter 9

Are you looking for Areas of Parallelograms and Triangles formulas or important points that are required to understand Areas of Parallelograms and Triangles for class 9 maths Chapter 9? You are the right place to get all information about Areas of Parallelograms and Triangles Class 9 maths chapters 9. Areas of Parallelograms and Triangles formulas play a vital role in preparing you for the class 9 exam as well as higher studies. Areas of Parallelograms and Triangles formulas are very helpful for better scores in the exam.  Check Areas of Parallelograms and Triangles formulas according to class 9:

 $\ Area\;of\;a\;Parallelogram = b\times h$ $\ Perimeter\;of\;Parallelogram = 2\left(b+h\right)$ $\ Height\;of\;Parallelogram = \frac{Area}{Base}$ Where: b is the length of any base and h is the corresponding altitude or height. $\ p=\sqrt{a^{2}+b^{2}-2ab\cos (A)}=\sqrt{a^{2}+b^{2}+2ab\cos (B)}$ $\ q=\sqrt{a^{2}+b^{2}-2ab\cos (A)}=\sqrt{a^{2}+b^{2}-2ab\cos (B)}$ $\ p^{2}+q^{2}=2(a^{2}+b^{2})$ Where: p,q are the diagonals, a,b are the parallel sides $\ Area\;of\;a\;Triangle = \frac{1}{2}ah$ Where: a is the base of the triangle. h is the height of the triangle. $Perimeter\;of\;a\;Triangle=a+b+c$ Where: a, b, and c are three different sides of a Triangle.

#### Summary of Areas of Parallelograms and Triangles

We have shared very important formulas for Areas of Parallelograms and Triangles which helps to score in the class 9 exams. If you have any questions and doubts related to Areas of Parallelograms and Triangles please let me know through comment or mail as well as social media. When you understand the formulas behind each Area of Parallelograms and Triangles topics then it would be easier to solve the most complex problems related to a Areas of Parallelograms and Triangles too.

#### NCERT Solutions For Class 9 Maths by Chapters

• Chapter 1 – Number Systems
• Chapter 2 – Polynomials
• Chapter 3 – Coordinate Geometry
• Chapter 4 – Linear Equations in Two Variables
• Chapter 5 – Introduction to Euclids Geometry
• Chapter 6 – Lines and Angles
• Chapter 7 – Triangles
• Chapter 8 – Quadrilaterals
• Chapter 9 – Areas of Parallelograms and Triangles
• Chapter 10 – Circles
• Chapter 11 – Constructions
• Chapter 12 – Heron’s Formula
• Chapter 13 – Surface Areas and Volumes
• Chapter 14 – Statistics
• Chapter 15 – Probability

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