Hector made some observations about the numbered cards before his friend turned them face down and rearranged them in a differen
t order without Hector looking. Which of Hector's statements is true if Hector randomly selects one face-down card? SELECT THAT ALL APPLY!
1 answer:
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Answer:
cosR =
Step-by-step explanation:
assuming the right triangle has ∠ Q = 90° with legs 5 and 12
then this is a 5- 12- 13 right triangle with hypotenuse PR = 13 cm
then
cosR = =
=