Eureka Lesson 6 Geometry

What is the formula to find the area of a triangle? (choose all that apply)

• A = bh

Find the area of rectangle AHIB.

• 60 square units

• 50 square units

• 40 square units

• 30 square units

Find the area of triangle AHF.

• 10 square units

• 12 square units

• 8 square units

• 15 square units

Find the area of triangle FBE.

• 8 square units

• 6 square units

• 10 square units

• 12 square units

Find the area of triangle HEI.

• 18 square units

• 20 square units

• 16 square units

• 14 square units

How do you find the area of triangle HFE using the following information:

The area of rectangle AHIB is 60 square units

The area of △AHF is 10 square units

The area of △FBE is 8 square units

The area of △HEI is 18 square units

?

• Add the areas of the three right triangles to the area of rectangle AHIB.

• Subtract the areas of the three right triangles from the area of rectangle AHIB.

• Multiply the areas of the three right triangles by the area of rectangle AHIB.

• Divide the area of rectangle AHIB by the areas of the three right triangles.

What is the area of triangle HFE?

You may use the information:

The area of rectangle AHIB is 60 square units

The area of △AHF. Is 10 square units

The area of △FBE. Is 8 square units

The area of △HEI is 18 square units

• 12 square units

• 24 square units

• 36 square units

• 48 square units

What is the area of trapezoid ABCD using the given numerical expression: 1/2(4)(6) + 1/2(11)(6)?

• 30 square units

• 35 square units

• 40 square units

• 45 square units

What is the area of trapezoid ABCD using the given numerical expression: 1/2(2)(6) + (4)(6) + 1/2(5)(6)?

• 30 square units

• 35 square units

• 40 square units

• 45 square units

Use the graph of hexagon GHIJKL. Find the area of hexagon GHIJKL

• 42 units²

• 44 units²

• 40 units²

• 43 units²