Find the ratio of the sides of a triangle if its sides form an arithmetic progression and one of the angles is 90 degrees.
A4 : 5 : 6
B1 : 2 : 3
C3 : 4 : 5
D2 : 3 : 4
Mathematics · Question Bank
Plane Geometry
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Find the radius of the circle inscribed in the triangle determined by the lines \(y = x + 4\), \(y = -x - 4\) and \(y = 7x - 2\).
A\(\dfrac{5}{\sqrt{2}}\)
B\(\dfrac{5}{2\sqrt{2}}\)
C\(\dfrac{3}{\sqrt{2}}\)
D\(\dfrac{3}{2\sqrt{2}}\)
The sides of a right triangle are in arithmetic progression whose common difference is 6 cm. Its area is
A216 sq. cm
B270 sq. cm
C360 sq. cm
D144 sq. cm