SAT ACT Prep What is the area of the shaded region

SAT ACT Prep What is the area of the shaded region

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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Quizizz Content

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The video tutorial explains how to find the area of a shaded region by first identifying the shapes involved, a rectangle and a circle. It covers the formulas for calculating the area of a rectangle (length times width) and a circle (pi times radius squared). The tutorial then demonstrates how to subtract the area of the circle from the rectangle to find the area of the shaded region.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for calculating the area of a rectangle?

Length minus width

Length times width

Length divided by width

Length plus width

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relationship between the diameter and the radius of a circle?

The diameter is equal to the radius

The diameter is twice the radius

The diameter is three times the radius

The diameter is half the radius

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the area of a circle?

pi times radius squared

pi times radius

pi times diameter

pi times diameter squared

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in finding the area of the shaded region?

Multiply the area of the circle by the rectangle

Divide the area of the rectangle by the circle

Add the area of the circle to the rectangle

Subtract the area of the circle from the rectangle

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final expression for the area of the shaded region?

10x squared plus pi x squared

10x squared minus pi x squared

10x squared times pi x squared

10x squared divided by pi x squared