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Is 42 a triangle number

Updated: 12/18/2022
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11y ago

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No. These are the first 20:

1 3 6 10 15 21 28 36 45 55 66 78 91 105 120 153 171 190 210

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Q: Is 42 a triangle number
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What is this triangle 78 42?

78 42 are, as far as I can make out, two numbers. They do not make a triangle.78 42 are, as far as I can make out, two numbers. They do not make a triangle.78 42 are, as far as I can make out, two numbers. They do not make a triangle.78 42 are, as far as I can make out, two numbers. They do not make a triangle.


What is triangle plus triangle equals 42?

It is a symbolic equation which requires triangle = 21.


The area of a triangle is 42 square inchesthe triangle's base is 6inches find the height of the triangle?

14.


What are eight equations of an addend triangle of 48-42-6?

48-42-6 cannot be a triangle, so the question is based on nonsense.


What is the measure of the vertex angle of an isosceles triangle if a base angle is 42?

180 - twice 42


What is the sixth triangular number?

Triangular numbers are numbers that are formed from the sum 1+2+3+4... The equation for the nth triangle number is (n2+n)/2 In this case, we want the sixth triangle number, so feed this into the equation: (62+6)/2 =(36+6)/2 =42/2 =21 Thus the sixth triangle number is 21.


What type of triangle is 28 degree's 110 degree's and 42 degree's?

The 110 degree angle makes this triangle an obtuse triangle.


What is the length of side c in Triangle ABC to the nearest whole number if A equals 42 degrees and B equals 87 degrees and a equals 24?

28 The Law of Sines: a/sin A = b/sin B = c/sin C 24/sin 42˚ = c/sin (180˚ - 42˚ - 87˚) since there are 180˚ in a triangle. 24/sin 42˚ = c/sin 51˚ c = 24(sin 51˚)/sin 42˚ ≈ 28


If two of a triangle's angles measure 42 degrees and 48 degrees how would you classify that triangle?

It's important to remember that a triangle's angles will always total 180 degrees. 180 - 42 - 48 = 90. The last angle is 90 degrees, so this is a right triangle.


If a triangle has an area of forty two square inches and a base of six inches what is its height?

Formula: Area of triangle= 1/2 * base * height Therefore 42 (area of triangle) = 1/2 * 6 (base) * height 42 = 3 * height 42/3 = (3 * height)/3 14 = height Therefore, the height of triangle is 14 inches


What is the area of a triangle that is 7 inches 12 inches?

The area of triangle is : 42.0


What length of equal sided triangle equals hypotenuse of 42 inches?

An equal sided triangle cannot have a hypotenuse!