The lengths of three sides of a triangle are all primes, and the perimeter of the triangle is 17. Find the sum of all possible value(s) of the second longest side.
The lengths of three sides of a triangle are all primes, and the perimeter of the triangle is 4343. Find the sum of all possible value(s) of the longest side.
Given a square with the length of one side is 8 cm and a isosceles triangle with the length of its base is 12 cm. If the area of the square is equal to the area of the isosceles triangle then what is the length of the height of the isosceles triangle, in cm?
The harmonic mean of a set of non-zero number is the reciprocal of the average of the reciprocals of the number. What is the harmonic mean of 1, 2, and 4?
Exam number 219:12
Fill in the blank with the suitable number (Note: write decimal number with "the dot" between number part and fraction part. Example: 0.5)
Question 1:
Given .
Find the value of "" such that its degree is equal to 4.
Answer: The value of "" is
Question 2:
The value of with is
Question 3:
Given .
The degree of is
Question 4:
Given .
The degree of is
Question 5:
Given .
The value of is
Question 6:
In this figure, if the length of the line segment is an even number.
Then .
Question 7:
Given .
The value of
Question 8:
The value of with is
Question 9:
Given with .
Then the minimum of is
Question 10:
The minimum value of is
The average of three numbers is 42. All three are whole positive number and are different from each other.
If the least number is 20, what could be the greatest possible number of the remaining two numbers?
Given the triangle ABC with median AM, AB=5cm, AC=12cm.
a) Calculate the lengths of BC, AM
b) D for the point symmetric to A with respect to M. Prove AD=BC and calculate the area of ABCD
c) For what condition of right triangle ABC does ABCD become a square?
The operation @ on two numbers produces a number equal to their sum minus 2.The value of (...(( 1 @ 2) @ 3) ... @ 2017 ) is
A solution to the equation (x+a)(x+b)(x+c)+5=0 is x=1 where a,b,c are differents integers Find the value of a+b+c