Can someone check my answer and you

294 m² is correct

Step-by-step explanation:

The area (A) of a trapezoid is calculated using the formula

A = h (a + b)

where h is the height and a, b the parallel bases

here h = 21, a = 21 and b = 7, thus

A = × 21 × 28 = 294 m²

step-by-step explanation:

this woman was an important writer and propagandist during the american revolution. she was a member of the committee of correspondence (in fact the committee was formed in her home) and was an advisor to many of the revolutionary leaders, including george washington and john adams. who was this revolutionary woman?