Every month, a group of 46 students write essays in a class. Each student writes 2 essays, and each essay
2 answers:
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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 = =
=