What is the triangle numbers from 1 and 100

Mathematics

2 answers:

Nata [24]3 years ago

7 0

Answer:

1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91

Step-by-step explanation:

NeTakaya3 years ago

5 0

Answer:

The triangular numbers up to 100 are 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91.

Step-by-step explanation:

Shouldn't it continue? Perfect Numbers, These are the numbers which equal the sum of all of their smaller factors seems simple, really. They are few and far between -- in fact, nobody knows how many there are. Only 47 perfect numbers are currently known- doesn't that take your breath away? Please Brainlist.

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The congruent sides of an isosceles triangle are each 1 unit longer than the length of the shortest side of the triangle. The pe

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Answer:

10 units

Step-by-step explanation:

Let the shortest side be x

Now since we are given that The congruent sides of an isosceles triangle are each 1 unit longer than the length of the shortest side of the triangle.

So, the length of the congruent sides (each) = x+1

Thus the perimeter of triangle = sum of all sides

= x+x+1+x+1

=3x+2

Now we are given that The perimeter of the triangle is the same as the perimeter of a square whose side length is 2 units shorter than the length of the shortest side of the triangle.

Side of square = x-2

So, perimeter of square = 4*side

=4(x-2)

=4x-8

Now since the perimeter of the triangle and square are equal

So, $3x+2=4x-8$