Supplementary & Complementary Angles
What do we call angles that add up to 90°?
Complementary angles
What are the known shapes used to calculate area?
The known shapes used to calculate area include rectangles, squares, triangles, circles, trapezoids, and parallelograms
What is the surface area formula for a rectangular prism?
The surface area formula for a rectangular prism is SA=2(lw+lh+wh)or
SA = lw + lw + lh + lh + wh + wh
Convert the following metric units
1 km = __________ m
2 m = __________ cm
12 dam = _______ dm
1000m, 200 cm, 1200 dm
How many km are in 398,000 mm?
0.398 km
What are opposite angles?
Opposite angles are angles that are opposite each other when two lines intersect; they are equal in measure.
How do you find the area of a composite polygon (irregular shape)
To find the area of a composite polygon, break it down into known shapes, calculate their areas, and then sum them
What is the formula for area of a triangle
A = b x h / 2
Convert the following metric units
1.3 km = _______ m
2.4 m = _______ cm
1.2 hm = _______ dm
1300 m, 240 cm, 1200 dm
Find the volume of a cylinder with a radius of 3 cm and height of 5 cm
141.37 cm3
Define complementary angles.
Complementary angles are two angles whose measures add up to 90∘
Find the missing values
r = 5 cm
d = ______ cm
A = _______ cm
d = 10 cm, A = 78.5 cm
What is the surface area of a square based pyramid with a 7 cm wide base and triangular sides with a length of 9 cm?
175 m2
Convert the following metric units
156 cm = _______ dm
275 cm = _______ m
1.2 dm = _______ m
15.6 dm, 2.75 cm, 0.12 m
Kirtan's garden has an area of 127.5dm2 How many square metres is it?
1,275 m2
If one angle is 70°, what is its supplementary angle?
If one angle is 70∘, its supplementary angle is 110∘ (since 180∘−70∘=110∘)
What is the area of a kite with a side diagonal length of 12 mm, a total length of 25 mm and a width of 9 mm?
112.5 mm2
Find the side length of a cube with a Surface Area of 294 cm2
l = 7 cm
5L = ? cL
500 cL
Find the volume of a rectangular prism with a length of 3 cm, width of 4 cm and height of 5 cm
60 cm3
What are two angles that add up to 180°?
Supplementary angles
What is the formula for the area of a circle?
A=πr2
Find the surface area of a rectangular prism with a length of 3 cm, width of 4 cm and height of 5 cm
94 cm2
How many 250 mL glasses can be filled from 1.7 L of juice?
6 glasses (=1.5 L)
What is the surface area of a cube with a side length of 6dm?
216 dm2