Concept explainers
Add, subtract, multiply, or divide each of the following exercises as indicated.
a. 37°18' + 86°23'
b. 38°46' + 23°43'
c. 136°36'28" - 94°17'15"
d. 58°14' - 44°58'
e. 4(27°23')
f. 3(7°23'43")
g. 87° ÷ 2
h. 103°20' ÷ 4
(a)
The sum of the given angles.
Answer to Problem 1AR
Explanation of Solution
The sum of the angles is
Conclusion:
The sum of angles is
(b)
The sum of the given angles.
Answer to Problem 1AR
Explanation of Solution
The sum of the angles is
Since
Then,
Thus,
Conclusion:
The sum of angles is
(C)
To subtract the given angles.
Answer to Problem 1AR
Explanation of Solution
Subtract
Then,
Conclusion:
Therefore, the subtraction of angles is
(d)
To subtract the given angles.
Answer to Problem 1AR
Explanation of Solution
Subtract
Then,
Conclusion:
Therefore, the subtraction of angles is
(e)
The product of the given angles.
Answer to Problem 1AR
Explanation of Solution
Multiply 4 with
Then,
Since
Then,
Thus,
Conclusion:
Therefore, the product of angles is
(f)
The product of the given angles.
Answer to Problem 1AR
Explanation of Solution
Multiply 3 with
Then,
Conclusion:
Therefore, the product of angles is
(g)
To divide the given angles.
Answer to Problem 1AR
Explanation of Solution
Divide 87° by 2
Then,
Now, divide the remainder
Combine both the quotient we get
Then,
Conclusion:
Therefore, the division of angles is
(h)
To divide the given angles.
Answer to Problem 1AR
Explanation of Solution
Divide 103° by 4
Then,
Now, divide the remainder
Combine both the quotient we get
Then,
Conclusion:
Therefore, the division of angles is
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Chapter 58 Solutions
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