- Demonstrate the ability to identify an acute, right, obtuse, or straight angle
- Demonstrate the ability to find the complement or supplement of an angle
- Demonstrate the ability to find the measure of complementary and supplementary angles
#1:
Instructions: Find the complement of each angle.
$$a)\hspace{.1em}1°$$
$$b)\hspace{.1em}35°$$
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#2:
Instructions: Find the supplement of each angle.
$$a)\hspace{.1em}117°$$
$$b)\hspace{.1em}88°$$
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#3:
Instructions: Determine whether the given angle is acute, right, obtuse, or straight.
$$a)\hspace{.1em}68°$$
$$b)\hspace{.1em}144°$$
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#4:
Instructions: Find the measure of the complementary angles.
$$a)\hspace{.1em}(2x + 13)° \text{and}\hspace{.2em}(20x + 11)°$$
$$b)\hspace{.1em}(3x - 4)° \text{and}\hspace{.2em}(12x + 19)°$$
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#5:
Instructions: Find the measure of the supplementary angles.
$$a)\hspace{.1em}(3x + 10)° \text{and}\hspace{.2em}(15x - 10)°$$
$$b)\hspace{.1em}(14x + 11)° \text{and}\hspace{.2em}(34x + 25)°$$
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Written Solutions:
#1:
Solutions:
$$a)\hspace{.1em}89°$$
$$b)\hspace{.1em}55°$$
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#2:
Solutions:
$$a)\hspace{.1em}63°$$
$$b)\hspace{.1em}92°$$
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#3:
Solutions:
$$a)\hspace{.1em}\text{acute angle}$$
$$b)\hspace{.1em}\text{obtuse angle}$$
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#4:
Solutions:
$$a)\hspace{.1em}19°, 71°$$
$$b)\hspace{.1em}11°, 79°$$
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#5:
Solutions:
$$a)\hspace{.1em}40° , 140°$$
$$b)\hspace{.1em}53° , 127°$$
