Answer:
B
Step-by-step explanation:
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Answer: B: 70, 80, 30
Step-by-step explanation:
An acute triangle has all 3 angles at less than 90 degrees, therefore the answer is B because its the only one that has all three at <90
Answer:
Option D
Step-by-step explanation:
This function has vertex at origin
Let's verify
Put (0,0)
Hence verified
2/3 works here because its value is greater than 1/2 but less than 4/5. An easy way to visualize this is to take the decimal value of each number as decimals are often easier to understand than fractions.
1/2=.50
2/3=.67
4/5=.80
This inequality could be rewritten as .50 < .67 < .80 and would have the same value.
Answer:
55°
Step-by-step explanation:
total angle of a triangle is 180°
we are given 2 angles
85+40+ x = 180
180-125 = 55° (x)
