Answer:
22°
Step-by-step explanation:
The mnemonic SOH CAH TOA reminds you ...
Tan = Opposite/Adjacent
The side opposite the marked angle is 10; the side adjacent is 25, so we have ...
tan(?) = 10/25 = 0.4
? = arctan(0.4) ≈ 21.801° ≈ 22° . . . . . . using the inverse tangent function
The measure of the indicated angle is about 22°.
Answer:
About 1.5873 ounces of sodium chloride is needed.
Step-by-step explanation:
Here, the amount of sodium chloride needed = 45 grams
Now, by the conversion of units, we know
1 gram = 0.0352739619 ounce
⇒ 45 grams = 45 x 0.0352739619 ounce = 1.5873 ounces
Hence, about 1.5873 ounces of sodium chloride is needed.
Based on the definition of supplementary angles, the measure of both angles are: 80° and 100°.
<h3>What are Supplementary Angles?</h3>
The sum of angles that are supplementary to each other equals 180 degrees.
Let the measure of the supplementary angle be x.
The other angle will be: x + 20.
(x + 20) + x = 180
x + 20 + x = 180
2x + 20 = 180
2x = 180 - 20
2x = 160
x = 160/2
x = 80°
The other angle will be x + 20 = 80 + 20 = 100°.
The measure of the angles are: 80° and 100°.
Learn more about supplementary angles on:
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Answer:
-134
Step-by-step explanation: