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What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.