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Let total amount of work be 90 units (LCM of 15 and 18). Efficiency of ‘A’ = 90/15 = 6 units/day Efficiency of ‘B’ = 90/18 = 5 units/day Amount of work done by ‘A’ and ‘B’ together in 5 days = (6 + 5) × 5 = 55 units Time taken by B to complete remaining work = {(90 – 55)/5} = 7 days
Two sides of a triangle are 10 cm and 15 cm. Which of the following can be the third side of the triangle?
Area of a triangles with vertices at (2, 3), (-1, 0) and (2, -4) is :
In triangle ABC, the lengths of its sides are given as AB = 8 cm, AC = 10 cm, and BC = 12 cm. Determine the length of the median drawn from vertex 'A' t...
Find the inradius of an equilateral triangle whose altitude is 9√3 cm.
The area of an isosceles triangle ABC is 8√5 cm 2 . If AB = BC and AC = 8 cm, then find the perimeter of triangle ABC.
What is the inradius of an equilateral triangle whose vertical height measures 12√3 cm?
In a triangle ABC, the lengths of sides AB, BC, and AC are 13 cm, 14 cm, and 15 cm, respectively. Find the area of the triangle.