Look at this convex polygon . how many triangles are formed by drawing all the diagonals from a single vertex​

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The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards

In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab