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Some Doctor can be Lawyer. Some Lawyer can be Male. Some Male can be Lawyer as well as Doctor. Some Doctor can be Lawyer as well as Male.
In ∆ABC, AD = DB , DE is parallel to BC, and the area of ∆ABC is 20 cm2. What is the area of ∆ADE in cm2 ?
Find the area of triangle having sides 8 m, 9 m, and 13 m.
The length of the each side of an equilateral triangle is 21√3. The area of incircle, (cm 2 ) is
The perimeter of a rectangle is 60 meters. If the length of the rectangle is twice the width, find the area of the rectangle.
The sides of a triangle are 10 cm, 17 cm, and 21 cm. Find the area of the triangle using Heron’s formula.
One chord of a circle is given as 21.5 cm. Then the radius (r) of the circle must be:
Two concentric circles of radii 10 cm and 6 cm are given. Find the length of the chord of the larger circle which touches the smaller circle.