CBSE Class 9 Mathematics Herons Formula Assignment Set B

CBSE Class 9 Mathematics Herons Formula Assignment Set B.Chapter wise assignments are being given by teachers to students to make them understand the chapter concepts. Its extremely critical for all CBSE students to practice all assignments which will help them in gaining better marks in examinations. All assignments available for free download on the website are developed by the best teachers having many years of teaching experience in CBSE schools all over the country. Students, teachers and parents are advised to download the CBSE study material.

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1.In heron's formula area of a triangle = what is s stand for.

2.If are the diagonal of a rhombus find its area.

3.What is the area of equilateral triangle whose side is a cm.

4.What is the area of an isosceles right angle triangle whose equal side is a cm.

5.What is the side of a rhombus whose diagonal is cm.

6.The perimeter of a right triangle is 550 m. If its sides are in the ratio 12 : 11 : 7. Find the area of the

triangle.

(A) 2754 m2 (B) 350 m2 (C) 2645.57 m2 (D) 12935.57 m2

7.There is a slide in a park. One of its side walls has been painted in some colours with a message "KEEP THE PARK GREEN AND CLEAN". If the sides of the wall are 15 m, 11 m and 6 m. Find the area painted in colour.

 8.BD is the diagonal of quadrilateral ABCD. Find the area of ABCD.

9.Compute the area of trapezium

10.Find area and perimeter of triangle whose sides are 8cm ,19cm and 15 cm.

11.Find the area of triangle whose sides are 5cm,12cm, 13 cm . also find the Shortest altitude.
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12.Find the area of a quadrilateral ABCD which AD = 24cm,angle BAD = 90 degree and BCD forms an equilateral triangle whose each side is equal to 26cm.

13.Radha made a picture of an aeroplane with paper as shown in figure calculate total area of paper used.

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