Question #1. Write the area of the trapezoid in terms of a and b.
A. (½)(a + b)^2 B. (a + b)/2 + ab C. (½)(a - b)(a + b) D. (a^2 + b^2)/2
Question #2. Write the areas of the three triangles in terms of a, b, and c.
A. (½)ab; (½)ab; and (½)c^2 B. ab; ab; and (½)c^2 C. (½)a^2b^2; (½)a^2b^2; and (½)c^2 D. a^2+ b^2; a^2 + b^2; and c^2

Question

Question #1. Write the area of the trapezoid in terms of a and b. 
A. (½)(a + b)^2  B. (a + b)/2 + ab  C. (½)(a - b)(a + b)  D. (a^2 + b^2)/2
Question #2. Write the areas of the three triangles in terms of a, b, and c.
A. (½)ab; (½)ab; and (½)c^2  B. ab; ab; and (½)c^2  C. (½)a^2b^2; (½)a^2b^2; and (½)c^2  D. a^2+ b^2; a^2 + b^2; and c^2

anonymous · Answer

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mertsj · Answer

The area of a trapezoid is
 $$A=\frac{1}{2} h(b _{1}+b _{2})$$

mertsj · Answer

The first and third triangles have A=1/2ab.  The middle one is A=1/2c^2