What is the value of the expression below when a is 3, b is 25, and c is 5?
2 answers:
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In a rhombus, the diagonals meet at right-angles and also cut each other in two equal halves, like in the picture below.
now, notice the upper-right triangle on the side there, it has a height of 12 and a base of 5, and as you know the area of a triangle is 1/2 bh, so you'd know what the area of that one is.
well, there are 4 equal triangles with that much area, so sum them up, and that's the area of the rhombus.
now, notice the upper-right triangle on the side there, it has a height of 12 and a base of 5, and as you know the area of a triangle is 1/2 bh, so you'd know what the area of that one is.
well, there are 4 equal triangles with that much area, so sum them up, and that's the area of the rhombus.