Mary selects marbles from a different bag without looking at them. This bag of marbles has 5 green marbles, 3 red marbles, and 7
blue marbles. What is the probability of her picking a red or blue marble? Write your answer in simplest form. Approximate the probability and Circle the likelihood of the event on the number line provided below.
2 answers:
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Answer: C) exactly one triangle
<u>Step-by-step explanation:</u>
Given: ∠A = 45°, ∠B = 65°, side c = 4 cm
By the Triangle Sum Theorem, ∠C = 70°
Now you have a proportion so you can use the Law of Sines to find the exact length of side a and of side b.
Thus, there is exactly one triangle.