2 years ago

Find the value of x A.)20 B.)55 C.)70 D.)38

Mathematics

2 answers:

lord [1]2 years ago

8 0

Answer:

Hello! answer: x = 20

Step-by-step explanation:

This is a complementary angle meaning it will add up to 90 degrees so...

20 × 4 = 80 80 - 10 = 70

70 + 20 = 90 therefore x = 20

Alex Ar [27]2 years ago

4 0

Answer:

A.) 20

Step-by-step explanation:

These angles are complementary meaning they add up to 90°.

4x - 10 + x = 90

5x - 10 = 90

5x = 100

x = 20

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