4. The four triangles within have equal areas, each having …
4. The four triangles within have equal areas, each having an area of \(\frac{1}{2}ab\). So, the total area of the four triangles is \(2ab\).
4. The four triangles within have equal areas, each having an area of \(\frac{1}{2}ab\). So, the total area of the four triangles is \(2ab\).