Answer:
The correct options are 1, 2 and 4.
Step-by-step explanation:
The given triangle is an equilateral triangle. All the sides of an equilateral triangle are same. All interior angles are equal with measure 60 degree.
The distance from the center of an equilateral triangle to the midpoint of a side is known as apothem. In the given figure letter a represents the apothem.
Point D is the midpoint of BC,
Use Pythagorean theorem in triangle COD. So, option 1 is correct.
The distance can not be negative, so the length of the apothem is approximately 2.5 cm. Option 4 is correct.
The line OC bisects the angle C.
Therefore option 2 is correct.
The perimeter of an equality triangle is
Option 3 is incorrect.
Option 5 is incorrect.
Therefore options 1, 2 and 4 are correct.
Add 5 to 5, or multiple 5 by 2.
Answer:
One milliampere is equal to 0.001 ampere.
Step-by-step explanation:
Mili, refers to thousandth. (for example, millimeter or milliliter.)
Answer: Our required probability is 0.515.
Step-by-step explanation:
Since we have given that
Probability that the respondents voted in favor of Scot Walker P(F) = 56%
Probability that the respondent voted in not favor of Scot Walker = 100-56 = P(F')=44%
Probability of those who did vote in favor had a college degree = 36% = P(C|F)
Probability of those who did vote against had a college degree = 44% = P(C|F')
So, we will use "Conditional Probability":
probability that he voted in favor of Scott Walker given that they had a college degree is given by
Hence, our required probability is 0.515.
Answer:
664 ft²
Step-by-step explanation:
The rectangular yard has dimensions 36 ft by 55 ft.
The area of the yard is 36 ft × 55 ft = 1980 ft²
The walkway inside the fence is 4 ft wide. The area inside the walkway has dimensions
36 ft - 2 × 4 ft = 28 ft
55 ft - 2 × 4 ft = 47 ft
The area of the rectangle inside the walkway is 28 ft × 47 ft = 1316 ft²
The area of the walkway is the difference between the total area enclosed by the fence and the rectangle inside the walkway.
area of walkway = 1980 ft² - 1316 ft² = 664 ft²
