Question

What is the height of the shape formed by the sectors shown below?

A circle is cut into 8 equal sections. The sections are arranged into the shape of a parallelogram with a base of pi r and height of question mark.

r

d

pi times r

Pi times d

Answer 1

Answer:

Length  of the shape formed by the sectors is which is half of the perimeter of the given circle, with the radius r.

Circle is divided in eight sectors and arranged horizontally as shown in the figure.

Therefore, height of each sector will be equal to the radius "r" of the circle.

Generalising for other congruent parts of rectangles ... Based on the conversion of units for lengths, studied in the chapter, the units of areas ... Area of parallelogram = Base × Height

Some students may need pre-cut pieces for wedges of the circles or assistance organizing the wedges in the shape of parallelograms

Answer 2

Answer:

c

Step-by-step explanation:

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