Question

What is the area of the shaded part of the figure? http://static.k12.com/calms_media/media/1388500_1389000/1388546/1/8206b4e31ad01e8b6413be1d69164dc712edec18/62368_FGA_U3_L7_V2_P.jpg




A.


112.5 mm²


B.


225 mm²


C.


450 mm²


D.


675 mm²

Answer 1

triangle area - square area

Answer 2

First, we find the area of the triangle. \[.5\times30\times30=450\]Now the area of the square. \[15^{2}=225\]Now to subtract the area of the square from the triangle. \[450-225=225 mm ^{2}\]

Answer 3

Thank you so much I thought that was how to do the problem I got the same answer.