Ineed the name of the polygon and the perimeter and area of the shape of numbers 42-47

42 - 47

Polygons are

triangle, trapezoid, triangle, parallelogram, rectangle and parallelogram

The area of triangles = 1/2 * base * haight.

Area of the parallelograms = height * base.

Area of rectangle= width * length

Area of trapezoid = 1/2 * (a + b) * height where a and b are the opposite parallel sides

The perimeters = sum of the sides of the polygons.

step-by-step explanation:

try remembering the steps

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use mnemonics and other tricks.

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note: the best i know.