rainbowdash8142
rainbowdash8142 rainbowdash8142
  • 02-06-2017
  • Mathematics
contestada

If cos 37 degrees is close to 4/5, which is closest to the measure of line OP?
a. 20 cm
b. 64 cm
c. 80 cm
d. 100 cm

If cos 37 degrees is close to 45 which is closest to the measure of line OP a 20 cm b 64 cm c 80 cm d 100 cm class=

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HomertheGenius
HomertheGenius HomertheGenius
  • 10-06-2017
 We know that ON = 80 cm and ∠ O = 37°.
cos 37° = 4/5
Adjacent / Hypotenuse = cos∠O
80/OP = cos 37°
80/ OP = 4/5
OP = 80 : 4/5 = 80 · 5/4 = 100
Answer:
d. 100 cm.
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