The image presents a formula for calculating the area of a triangle. The formula given is: \[ A = \frac{1}{2} b h \] Where: A represents the area of the triangle, b represents the base of the triangle, and h represents the height of the triangle. To solve for the area of a specific triangle, you would need to know the measurements of the base and the height of the triangle. Once you have those measurements, you would plug them into the formula, multiply the base (b) by the height (h), and then multiply that product by \( \frac{1}{2} \) (or divide by 2) to find the area of the triangle.
The question shows a triangular sail with a base labeled as "1z" and a height labeled as "2z." The problem states that the base of the white sail is 10 feet. The formula for the area of a triangle is given as Area = 1/2 (Base x Height). From the problem statement, we know that 1z = 10 feet. Since the height of the sail is labeled as "2z," this means the height is 2 times 10 feet, which is 20 feet. Now, we can use the formula to calculate the area with the given dimensions: Area = 1/2 (Base x Height) Area = 1/2 (10 feet x 20 feet) Area = 1/2 (200 square feet) Area = 100 square feet So the area of the sail is 100 square feet, which corresponds to option B.
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