Given:
Perimeter of triangle = 28 cm
Inradius = 3.5
Formula used:
Inradius = Area/(semi-perimeter )
Solution:
Inradius = Area/(semi-perimeter )
3.5= A/14
Area of the triangle = 49 〖cm〗^2
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90 Mins English English100 Questions100 Marks90 Mins English English40 Questions30 Marks25 Mins EnglishThe number of diagonals in a hexagon is :
If is the solution of the pair of equations: and
and then the value of is:
The number of real solutions of the equation x² − 3|x| + 2 = 0 is:
The interior angles of a polygon are in arithmetic progression. The smallest angle is 120° and the common difference is 5°. Find the number of sides of the polygon.
For a regular polygon, the sum of the interior angles is 250% more than the sum of its exterior angles. Each interior angle of the polygon measures x°. What is the value of x?
The difference between an interior angle and an exterior angle of a regular polygon is 140°. Find the number of sides of the polygon.
For a regular polygon, the sum of the interior angles is 300% more than the sum of its exterior angles. Each interior angle of the polygon measures x°. What is the value of x?
The number of diagonals in a regular heptagon is:
If the difference between the exterior and the interior angles of a regular polygon is 60o, with an interior angle being greater than the corresponding exterior angle, then find the number of sides of the polygon.
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