Answer :

Given, length of equal sides of triangle = 20m


Angle between the equal sides = 45°


Area of a isosceles triangle with two equal sides and angle between them


= , where s is the length of equal sides and θ is the angle between them


Here


Area of isosceles triangle =


= ()


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Champ Quiz | Area of TriangleChamp Quiz | Area of TriangleChamp Quiz | Area of Triangle53 mins
Champ Quiz | QuadrilateralChamp Quiz | QuadrilateralChamp Quiz | Quadrilateral50 mins
Quiz | Area and ParallelogramQuiz | Area and ParallelogramQuiz | Area and Parallelogram46 mins
Quiz | Area of Parallelogram and TrianglesQuiz | Area of Parallelogram and TrianglesQuiz | Area of Parallelogram and Triangles43 mins
NCERT |  Imp Qs on Area of Parallelogram And TrianglesNCERT |  Imp Qs on Area of Parallelogram And TrianglesNCERT | Imp Qs on Area of Parallelogram And Triangles44 mins
Smart Revision | QuadrilateralsSmart Revision | QuadrilateralsSmart Revision | Quadrilaterals43 mins
Surface Area and Volume of ConeSurface Area and Volume of ConeSurface Area and Volume of Cone24 mins
Surface Area of Cube and CuboidSurface Area of Cube and CuboidSurface Area of Cube and Cuboid49 mins
Surface Area and Volume of SpheresSurface Area and Volume of SpheresSurface Area and Volume of Spheres40 mins
Smart Revision | Surface Area and Volume of CubeSmart Revision | Surface Area and Volume of CubeSmart Revision | Surface Area and Volume of Cube40 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses
RELATED QUESTIONS :

The ratio of heigWest Bengal Mathematics

If length of eachWest Bengal Mathematics

The lengths of thWest Bengal Mathematics

If each side of aWest Bengal Mathematics

If the area, periWest Bengal Mathematics

D is such a pointWest Bengal Mathematics

The length of eacWest Bengal Mathematics

Maria cycling at West Bengal Mathematics

Look at the figurWest Bengal Mathematics

The length of hypWest Bengal Mathematics