A man has a rectangular garden 55x40m and he makes a 1m wide diagonal path as shown in the diagram. What is the area of the path?
66 2/3 m2
Solution is here
55*40-((55-sqrt2)*40)=√2*40
Three identical squares are shown in the diagram. If the area of the triangle is 1 square meter, what is the area of a single square?
As shown in the diagram below, circle D is internally tangent to circle A and externally tangent to circles B and C.
If circle B has a radius of 2 and C has a radius of 1, what is the radius of circle D?
Trapezoid as shown has two parallel sides with length 5 and 15 & two diagonals with length 12 and 16. What is its area?
There are 10 squares that are constructed as shown in the diagram. Find the difference between blue and red angle in degrees.
Quadrilateral ABCD has AD = BC, ∠A + ∠B = 90°, AB = 20, CD = 10, as shown below.
What is the area of ABCD?
