Iam a multiple of 70. i am between 500 and 1000. my tens digit i'd odd. what could it be?

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When you find the area of a triangle do you use in. or in2

Thomas is using a drawing program to complete a construction. which construction could he be completing? two perpendicular lines are drawn. inscribing an equilateral triangle in a circle inscribing a square in a circle inscribing a regular pentagon in a circle inscribing a regular hexagon in a circle