Pre-Test Question:
Chapter 2. Area of Shapes
Pre-Test Question:
Math and Graphing Review
true
true
You must read each slide, and complete any questions on the slide, in sequence.
Determine the area of the shaded region labeled A in the figure below:
The area of region A is:
Correct! The area of region A is 5.
To determine the area, try dividing the region up into a rectangle and a triangle, and then calculate each area separately. The area of the rectangle is 4 and the area of the triangle is 1.
Video
Post-Test Questions:
1.
Determine the area of the shaded region labeled A in the figure below:
The area of region A is:
Correct! The area of region A is 300.
The area of the triangle region A is 0.5 × height × base, or 0.5 × 15 × 40 = 300.
2.
Determine the area of the shaded region labeled A in the figure below:
The area of region A is:
Correct! The area of region A is 8.
To determine the area try dividing the region up into a rectangle and a triangle, then calculate each area separately. The area of the rectangle is 6 and the area of the triangle is 2.
3.
Determine the area of the shaded region labeled A in the figure below:
The area of region A is:
Correct! The area of region A is 4.
The area of triangle region A is 0.5 × height × base, or 0.5 × 2 × 4 = 4.
4.
Determine the area of the shaded region labeled A in the figure below:
The area of region A is:
Correct! The area of region A is 4.
The area of triangle region A is 0.5 × height × base, or 0.5 × 2 × 4 = 4.
5.
Determine the area of the shaded region labeled A in the figure below:
The area of region A is:
Correct! The area of region A is 10,000.
The area of triangle region A is 0.5 × height × base, or 0.5 × 50 × 400 = 10,000.