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Sagot :
Answer:
Option (c) is correct.
The value of x is 9.
Step-by-step explanation:
Given : Two angles are complementary. They have measures of (7x + 2)° and (3x – 2)°, respectively.
We have to find the value of x.
Two angles are said to be complementary if the sum of measure of angle is 90°.
Given (7x + 2)° and (3x – 2)° are complementary angles.
That is sum of (7x + 2)° and (3x – 2)° is 90°
⇒ (7x + 2)° + (3x – 2)° = 90°
⇒ 7x + 2 + 3x - 2 = 90
⇒ 10x = 90
⇒ x = 9
Thus, the value of x is 9.
Hence, option (c) is correct.
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