3 years ago

X 451 412 451 Find the value of x. A. 42 2 B. 4 C. 43 D. 43

Mathematics

1 answer:

marysya [2.9K]3 years ago

8 0

Answer:

B. 4

Step-by-step explanation:

cos(45°) = x/4√2

√2/2 = x/4√2

x = 4√2•√2/2

x = 4

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