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Do you know the formula for the area of a triangle ?

Pick a base-length and a height for your triangle so that 1/2 (base x height) = 20.

Do you know the formula for the area of a parallelogram ?

Pick a base-length and a height for your parallelogram so that (base x height) = 20.

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Of course, if you don't know the formulas for area . . .

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Q: How do you draw a triangle and a parallelogram that each have an area of 20 units?

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draw a parallelogram which is not a rectangle.verify that its area is equal to the rectangle on the same base and altitude

You can't without having incomplete units.

== == 1) Draw a line segment AB of 5 units 2) Draw the perpendicular bisector CD of AB such that Cd meerts AB at C. 3) Mark off CE = 2 units on CD 4) Draw the straight line segments AE & BE. ABE is your triangle. Its base (AB) = 5 and height (CE) = 2, so its area = [base x ht] / 2 = 5 sq units

You don't have to do anything at all. As soon as you draw a triangle, it automaticallyhas area. The only trick for you is to figure out how much area it has.

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Draw a straight line AB of any length x. Draw another line, parallel to AB and at a distance of 2*24/x units from it. Select any point on the second line and call that point C. Join AC and BC. Then triangle ABC will have an area of 24 square units.

A

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