Question

What is the area of a triangle formed by joining a diagonal of a rectangle of length 8 cm and breath 5 cm ​

Answer 1

Answer:

• So it's right answer is 20 cm²

To find:

1. Area of rectangle
2. Area of triangle

Formula need to use:

1. l x b
2. 1/2 of area of rectangle

1 part:

1. Area of rectangle = l x b
2. = 8cm x 5 cm
3. = 40 cm²

2 part:

1. Area of rectangle = 1/2 of Area of rectangle
2. = 1/2 x 40 cm ²
3. = 1/2 x 40
4. = 20 cm²