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Which sides of lengths below could form a triangle?
To see if three lengths can be made into a triangle:Add together the two shorter lengths;if this sum is greater than the remaining length, then a triangle can be made;otherwise the sum is less than or equal to the remaining length and a triangle cannot be made.examples:3, 4, 53 + 4 = 7 > 5 ⇒ is a triangle 5, 5, 85 + 5 = 10 > 8 ⇒ is a triangle 12, 30, 1812 + 18 = 30 ≤ 30 ⇒ is not a triangle 12, 35, 1812 + 18 = 30 ≤ 35 ⇒ is not a triangle
The perimeter of an equilateral triangle with a side of 18 is?
3 x 18 = 54
What is the base of a triangle if the height is 16m and area is 72 square meters?
The base of this triangle would be 18 meters. One half*18 meters*16 meters= 72 square meters, this is the area of a triangle formula.
How many sides does a regular polygon have if each exterior angle measures 18 degrees?
360/18 = 20 sides.
3r plus 18 divided by 12 equals 4r - 48 divided by 4?
(3r + 18)/12 = (4r - 48)/4Multiply both sides by 12: (3r + 18) = 3*(4r - 48)or: 3r + 18 = 12r - 144Subtract 3r from both sides: 18 = 9r - 144Add 144 to both sides: 162 = 9rDivide both sides by 9: 18 = rAnswer: r = 18
What is the perimeter of a triangle which sides measure 6 inches?
18 inches and it is an equilateral triangle
Can a triangle have sides that are 6 10 and 18?
The definition a triangle is that it has three sides and if it had any more or less it would become another shape. So, no.
What is the perimeter of a triangle whose sides measure 10 cm 15 cm and 18 cm?
Perimeter of a triangle is given by: sum of the three sides =(10+15+18)cm =43cm Done.
How many sides do six triangles have?
A triangle has three sides, so six triangles have 6 * 3 = 18 sides altogether.
How many sides and angles does 6 triangle have?
One triangle has 3 sides, and you want to know how many there will be if there are 6 triangles, so you just say "3x6=18" and there is your answer!!
If the sides of a triangle measure 9 15 and 18 if the shortest side of a similar triangle measures 6 find lenght of the longest side of this triangle?
12
What are the lengths of the missing sides of a 30-60-90 triangle if the longer leg of the triangle is 18 centimeter?
The longest side of the triangle will always be opposite the largest angle, which is 90° in this case. We can use the sine law to work out the other sides with that: sin(90°) / 18 = sin(60°) / x = sin(30°) / y 1/18 = sin(60°) / x x = 18 sin(60°) x = 18√3 / 2 x = 9√3 1/18 = sin(30°) / y y = 18 sin(30°) y = 9 So the triangle has a sides of 9 and 9√3, with a hypotenuse of 18
What do you call a polygon with all sides congruent that has eleven letters in the word?
Hexadecagon (16 sides) and Octadecagon (18 sides) both fit. Am I missing something?
Can 12 13 and 18 be lengths of the sides of a right angle triangle?
No because they don't comply with Pythagoras' theorem.
Given two sides with lengths 34 and 14 which number would not work for the third side of the triangle?
18
What is the area of a triangle that has sides of 13 inches 18 inches and 31 inches and 31 inches?
0 Zero
What is the circumference of a triangle with sides 4cm 6cm and 8cm?
It does not have a circumference but its perimeter is: 4+6+8 = 18 cm
