Angle (the question mark), (Write the number only) ? 77 124°
2 answers:
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Answer
The missing length is 10
Step-by-step explanation:
Represent the missing length with x
The sides of the given shape are directly proportional.
Mathematically:
(15 + x) to (12 + 8) and x to 7
Represent as a ratio:
Convert to fraction
Cross Multiply:
Collect Like Terms
Solve for x
<em>The length of the missing side is 10</em>
keeping in mind that when the logarithm base is omitted, the base 10 is assumed.