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anonymous
 one year ago
NEED HELP SOS
Find an integer, x, such that 5, 10, and x represent the lengths of the sides of an obtuse triangle.
A.
4
B.
5
C.
6
D.
11
anonymous
 one year ago
NEED HELP SOS Find an integer, x, such that 5, 10, and x represent the lengths of the sides of an obtuse triangle. A. 4 B. 5 C. 6 D. 11

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welshfella
 one year ago
Best ResponseYou've already chosen the best response.1In an obtuse triangle c^2 > a^2 + b^2

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1so if we take c = 10 what inequality can we write?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.110^2 > 5^2 + b^2 can you solve this for b^2? then for b?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i thought the asnwer would be 6

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1b^2 < 100  25 b^2 < 75

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1b < sqrt75 b < 8.66

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1b cannot be 4 or 5 because that would not make a triangle and 11 > 8.66 therefore the answer is 6

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i have one more question

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0how do i find an acute triangle

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Using Pythagorean inequalities, determine which set of the given three sides produces an acute triangle.

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1for an acute angle , if c is the longest side, c^2 < a^2 + b^2

anonymous
 one year ago
Best ResponseYou've already chosen the best response.03, 4, 5 6,12,20 4,6,10, 5,12,18 ALL NUMBERS TO SQUARE ROOT

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1 and dont forget for all triangles the sum of any 2 sides must exceed the length of the other side

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i dont know how to do it cause the numbers are squared

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1what exactly is the second question?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Using Pythagorean inequalities, determine which set of the given three sides produces an acute triangle.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.06 minutes till time runs out on this question:/

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1well the first one is a right angled triangle because 5^2 = 3^2 + 4^2

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0rembember all the numbers are squared

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1the 2nd is not a triangle? can you see why? neither is the third why?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.04, 6,10 4x4 = 16 6x6=36

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1and 10^2 = 100 but 4+6 = 10 so its not a triangle..

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1you cant draw a triangle with sides this length

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1dw:1436815512380:dw

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1 they give a straight line

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1also 18 > 5 + 12 so that's not a triangle also

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i got the answer wrong

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1the only one which is a triangle is A but that's a rightangled triangle because it fits the Pythagoras theorem.

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1what is the correct answer?
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