Exploring Adding and Subtracting Rational Expressions

What is the formula to calculate the surface area of a triangular prism?

• Sum of the area of the bases and the lateral faces

• Product of the base area and height

• Product of the lateral area and the base perimeter

• Sum of all edge lengths

Tags

CCSS.7.G.B.6

How do you calculate the area of a triangular base?

• Square root of base squared plus height squared

• Half the product of base and height

• Base times height

• Base plus height

Tags

CCSS.6.G.A.1

What is the surface area of the triangular prism in the first example?

• 178.2 kilometers squared

• 264.8 yards squared

• 183.5 inches squared

• 468 centimeters squared

Tags

CCSS.7.G.B.6

What is the significance of multiplying the area of the bases by 2 in the calculations?

• To account for the height of the prism

• Because the prism has two identical bases

• To double the total surface area

• It's a common mathematical error

Tags

CCSS.7.G.B.6

How is the surface area affected if the height of the triangular base is doubled?

• It increases by half

• It remains the same

• It quadruples

• It doubles

Tags

CCSS.7.G.B.6

What mistake was corrected in the calculation of the second example?

• Incorrect base length

• Incorrect height

• Incorrect lateral face area

• Misidentified the base of the triangle

Tags

CCSS.7.G.B.6

In the third example, what was the corrected dimension for the lateral face?

• 12.8 by 6

• 12 by 6

• 12.8 by 8

• 12 by 8

What was the final corrected surface area for the fourth example?

• 178.2 kilometers squared

• 468 centimeters squared

• 323 feet squared

• 260 yards squared

Tags

CCSS.7.G.B.6

In the calculation without a net, what is the first step?

• Calculating the lateral area

• Doubling the base area

• Finding the area of one base

• Summing all side lengths

Tags

CCSS.7.G.B.6

What correction was made in the calculation of the sixth example?

• The base length was corrected

• The height of the triangle was adjusted

• A lateral face measurement was corrected

• The calculation of the base area was corrected

Tags

CCSS.7.G.B.6