Find the missing side of the triangle. (No calculators.)
ANSWER TO #1
X = 130
QUESTION #2
Find the length of the hypotenuse. (No calculators.)
ANSWER TO #2
X = 50
QUESTION #3
Find the area of the triangle. (No calculators.)
ANSWER TO #3
Area = 240 square meters
QUESTION #4
A ladder is leaning against a house. The base of the ladder is 7 feet from the bottom of the house, and the top of the ladder is 20 feet up the side of the wall. Find the length of the ladder to the nearest tenth of a foot.
ANSWER TO #4
The ladder is 21.2 ft long
QUESTION #5
Is the triangle a right triangle? Explain. (No calculators.)
ANSWER TO #5
NO. The side lengths don’t satisfy the
Pythagorean Theorem.
40 45
QUESTION #6
a) Determine if the side lengths form a triangle.
b) If so, classify it as acute, right, or obtuse.
ANSWER TO #6
a)Yesb)Right
QUESTION #7
a) Determine if the side lengths form a triangle.
b) If so, classify it as acute, right, or obtuse.
8.1, 4.5, 13.2
ANSWER TO #7
a)NOb)Not a triangle
QUESTION #8
a) Determine if the side lengths form a triangle.
b) If so, classify it as acute, right, or obtuse.
10, 11, 14
ANSWER TO #8
a)Yesb)acute
QUESTION #9
Graph points A, B, and C. Connect the points to form a triangle. Then classify the triangle by its sides.
A(0,2)B(5,5)C(1,-1)
ANSWER TO #9
The triangle is obtuse
QUESTION #10
Find the value of the variable.
ANSWER TO #10
X = 10
QUESTION #11
Find the value of the variables.
ANSWER TO #11
9 3
18
x
y
QUESTION #12
Find the value of the variables.
ANSWER TO #12
6 3
18
x
y
QUESTION #13
The perimeter of an equilateral triangle is 36 cm. Find the area of the triangle. (Give answer