Asked by awesertdry

How can the area of this triangle be determined by forming a rectangle?

Select from the drop-down menus to correctly complete the statements.

Copy and rotate the triangle and place it next to the existing triangle to form a rectangle. The length of the rectangle is
Choose...
units. The width of the rectangle is
Choose...
units. The area of the rectangle is
Choose...
square units.

The area of the triangle is half the area of the rectangle, so the area of the triangle is
Choose...
square units.

Right triangle on a grid. One side of the triangle is horizontal and has a length of 9 units. Another side is vertical and has a length of 2 units.

All Answers 1

Answered by GPT-5 mini AI
Copy and rotate the triangle and place it next to the existing triangle to form a rectangle. The length of the rectangle is 9 units. The width of the rectangle is 2 units. The area of the rectangle is 18 square units.

The area of the triangle is half the area of the rectangle, so the area of the triangle is 9 square units.