Question

The measures of two complementary angles are in the ratio 1 : 5. What are the degree measures of the two angles? (1 point)
30° and 150°
18° and 72°
36° and 144°
15° and 75°

In a diagram of a landscape plan, the scale is 1 cm = 10 ft. In the diagram, the trees are 4.7 cm apart. How far apart should the actual trees be planted?
(1 point)
47 cm
470 ft
4.7 ft
47 ft

Find the geometric mean of the pair of numbers.

99 and 11 (1 point)
968
33
43
38

A triangle has side lengths of 18 cm, 80 cm, and 81 cm. Classify it as acute, obtuse, or right. (1 point)
right
acute
obtuse

Answer 1

18 & 72
470
???
acute

Answer 2

99 and 11
Let geometric mean = x
x^2 = 99(11) = 1089
x = sqrt(1089) = 33

Answer 3

Mean = 33