The triangle shown is inscribed in circle centred at point C Figure is not drawn to scale. 7cm 18cm a) Find the circumference and area of the circle. Circumference = Area = cm2 cm

Use the Pythagorean Theorem to find the length of the leg in the triangle shown below.

Is it possible for a a rectangle inscribed in a circle to have a diameter for a side? Explain. b a rectangle circumscribed about a circle to be a square? Explain.

A wheel has equally spaced lug bolts. What is the measure of the central angle determined by two consecutive lug bolts if there are a 5 bolts? b 6 bolts?

Three pieces, each in the shape of a sector, are cut from the rectangular sheet of steel shown. How many Square meters are wasted after the three pieces are cut? Round the answer to the nearest tenth meter.

ABCD is a parallelogram. a Using a ruler, compare the lengths of sides AB- and DC-. b Using a protractor, compare the measures of A and C.

The perimeter of an isosceles triangle is 32cm. If the length of the altitude drawn to the base is 8cm, how long is each leg of the isosceles triangle?_