Geometry Concepts and Formulas

Geometry Concepts and Formulas

Assessment

Interactive Video

Mathematics

8th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial covers various geometry topics, including solving problems using the Pythagorean theorem, calculating areas of composite figures, translating and reflecting figures on a coordinate grid, and understanding the volume of prisms and cones. It also discusses transformations and visualizing 3D figures, concluding with a practical application of the Pythagorean theorem in a flagpole problem.

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for the Pythagorean theorem?

a^2 + b^2 = c^2

a^2 - b^2 = c^2

a^2 + b^2 = c

a + b = c^2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a right triangle, if one leg is 6 and the hypotenuse is 10, what is the equation to find the other leg?

x^2 = 6^2 + 10^2

6 + x = 10

6^2 = x^2 + 10^2

6^2 + x^2 = 10^2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the area of a rectangle?

2 x (Length + Width)

Length - Width

Length x Width

Length + Width

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for the area of a triangle?

Base x Height / 2

Base + Height

1/2 x Base x Height

Base x Height

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a figure is translated 4 units down and 3 units to the left, what happens to its coordinates?

x + 3, y + 4

x - 3, y - 4

x - 4, y + 3

x + 4, y - 3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the sum of two supplementary angles?

180 degrees

270 degrees

90 degrees

360 degrees

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you reflect a point over the y-axis?

Swap the x and y coordinates

Change the x-coordinate to its opposite

Change the y-coordinate to its opposite

Add 1 to both coordinates

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