Area with Herons Formula
Area with Herons Formula
Heron's Formula : In some cases, length of each side of the triangle are given but height of the triangle is neither given nor we are able to find in any way, then to find the area of such type of triangle, we use Heron's formula which is given below.
Area of triangle = , where a,b,c are length of the sides of a triangle and s is the semi-perimeter of the triangle i.e.
Example: Find the area of a quadrilateral ABCD in which AB = 3 cm, BC = 4 cm, CD = 4 cm, DA = 5 cm and AC = 5 cm. Solution : We divide the quadrilateral ABCD in two triangle ABC and ACD For Area ( = Similarly, for a = 5 cm, b = 5 cm, c = 4 cm and s = Area ( =
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Two adjacent sides of a parallelogram are 74 cm and 40 cm , if one of its diagonal is 102 cm , then find the area of the parallelogram. | |||
| Right Option : C | |||
| View Explanation | |||
The sides of a triangle are 56 cm,60 cm and 52 cm.long.the area of the triangle is. | |||
| Right Option : D | |||
| View Explanation | |||
The sides of triangle are 11 m 60 m and 61 m. The altitude to the smallest side is | |||
| Right Option : D | |||
| View Explanation | |||
Students / Parents Reviews [20]
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10thIn terms of methodology I want to say that institute provides expert guidence and results oriented monitering supplements by requsite study material along with regular tests which help the students to improve their education skills.The techniques of providing education helps the students to asses...
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Anika Saxena
8thAbout Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
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Barkha Arora
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