GKT101: General Knowledge for Teachers – Math

1. Find the area and perimeter of a rectangle with a length of $12$ inches and a width $15$ inches.

2. Find the area and perimeter of a right triangle with legs $3 cm$ and $4 cm$ and hypotenuse $5 cm$.

10. Find the area of a square with a diagonal of $12$ in.

Source: CK-12, https://flexbooks.ck12.org/cbook/ck-12-interactive-geometry-for-ccss/section/1.6/primary/lesson/area-or-perimeter-of-triangles-and-quadrilaterals-geo-ccss/

 This work is licensed under CK-12 Curriculum Materials License.