Answer: 125
Step-by-step explanation: ∠4 and 55 are supplementary angles. This means that ∠4 and 55 add up to 180. We can use this to solve for ∠4.
180 - 55 = ∠4
125 = ∠4
So, ∠4 is equal to 125 degrees.
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To write 3000 as a fraction you have to write 3000 as numerator and put 1 as the denominator. Now you multiply numerator and denominator by 10 as long as you get in numerator the whole number.
3000 = 3000/1 = 30000/10
And finally we have:
3000 as a fraction equals 30000/10
Answer: 39.9797217047
Step-by-step explanation:
2πr = 251.2
πr = 125.6
r = 39.9797217047
55% of x is 70
0.55 times x=70
divide both sides by 0.55
127.27272727
round
127.3
