Unit 7 – MeasurementReview Sheet
Day 1: Metric and Imperial Measurements
- Make the following conversions accurate to two decimal places:
- 32.5 fl. oz. quartse. 1112 cm² in.²
- 55 kg lbsf. 0.75 mi.² km²
- 13.1 mi. metresg. 9298 in.³ m³
- 11.2 tons kilograms h. 159065 cm³ yd³
Day 2: Area & Perimeter of 2-D Objects
- Calculate the area AND perimeter of the following composite figures, to two decimal places:
- b.
Day 3: SA of 3-D Objects
- A propane truck, as seen below, has a tank made from hard alloy steel. Determine the surface area of the tank to the nearest tenth of a metre.
Day 4: Volume of 3-D Objects
- Determine how much water this swimming pool can hold if it is filled to 0.3m from the top, to the nearest tenth of a cubic metre.
Day 5: Properties of Circles
- Determine the sector area, arc length, and segment area in a circle with a radius of 12 cm and a central angle of 29°, to two decimal places.
Day 6: Investigating Properties of Circles
- Determine the values of each variable and justify your answers with the corresponding property from the notes.
- b.
Day 7: Applications of Circle Geometry
- Considering the diagram below of a drive belt stretched around three drive cylinders.
- Drive cylinder 1 has a radius of 3.7 cm and the belt contacts the cylinder over 130°.
- Drive cylinder 2 contacts the belt over 9.1 cm (which is a central angle of 108°).
- Drive cylinder 3 has a radius of 3.9 cm and the belt contacts the cylinder over 16.4 cm.
- Determine the distance over which the belt contacts cylinder 1.
- Determine the radius of cylinder 2.
- Determine the sector angle over which the belt contact cylinder
Answers:
- a.) 1.02 qtse.) 172.36 in²
b.) 121.25 lbsf.) 1.94 km²
c.) 21 082.41 mg.) 0.15 m³
d.) 10 160.47 kgh.) 0.21 yd³
- a.) Area = 51.77cm², Perimeter = 26.82cm
b.) Area = 108m², Perimeter = 64m
- SA = 37.7m²
- V = 92.5m³
- Arc Length = 6.07cm, Sector Area = 36.44cm², Segment Area = 1.54cm²
- a.) x = 5m (Prop. 6), y = 36º (Prop. 3), z = 2.4m (Prop. 5)
b.) x = 3cm (Prop. 2), y = 6cm (Prop. 1), a = 50º , b = 100º (Prop. 4)
- a.) Arc Length = 8.4cm
b.) Radius = 4.8cm
c.) Sector Angle = 240.9º