My Scores To-Do List Frank said that you only really need to memorize the area formula for triangles which is \( \mathrm{A}=1 / 2 \mathrm{BH} \) because all the other shapes we learned in this week's lessons can be broken into triangles and you can just find the area of each triangle in the shape and add them together. Is he correct? Frank is incorrect. Rhombi cannot be broken into triangles. Frank is incorrect. Trapezoids cannot be broken into triangles. Frank is correct. Frank is incorrect. Kites cannot be broken into triangles. QUESTION 2 I point Cina said you can usefithe formula \( A r e a=k\left(D_{1} D_{2}\right) \) for every shape except the triangle. \( \left[D_{1}\right. \) and \( D_{2} \) are the lengths of the diagonals] Is she correct? She is correct. She is not correct. The triangle can use this formula too. She is not correct. The kite cannot use this formula elther. She is not correct. The trapezoid cannot use this formula elther.
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Beyond the Answer
Frank’s idea about breaking shapes down into triangles is mostly a good one, but it overlooks the distinct properties of certain shapes. For example, a rhombus and a trapezoid can indeed be broken down into triangles to find their areas, but the process is a bit different. Understanding how each shape works gives us an arsenal of geometric problem-solving skills that would make even the ancient Greeks proud! As for Cina's claim regarding diagonals, she's got it a bit mixed up! The area formula involving the diagonals applies specifically to kites and rhombuses. Triangles shouldn't use this formula; instead, they have their own simple area formula. So before you go trying to apply k’s Diagonal Rule to your triangles, remember that each shape has its own tricks and tools!
