Mauro has 140 ft of rope. He will cut it into two pieces so that the length of the longer piece is 3 times the length of the sho
2 answers:
Answer:
Length of the longer piece be 105 ft .
Step-by-step explanation:
As given
Mauro has 140 ft of rope.
He will cut it into two pieces so that the length of the longer piece is 3 times the length of the shorter piece.
Let us assume that the length of the shorter piece be x.
Length of the Longer piece = 3x
Than the equation become
3x + x = 140
4x = 140
x = 35 ft
Length of the longer piece = 3 × 35
= 105 ft
Therefore the length of the longer piece be 105 ft .
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Answer:
- The sum of the interior angles of the 15-gon
- Each interior angle of the regular polygon
Step-by-step explanation:
As we know that
In any convex polygon, if we may start at one vertex and draw the diagonals to all the other vertices, we would form triangles,
The number of triangles thus formed would always 2 LESS than the number of sides.
As
- The sum of measure of the angles of any triangle is 180°.
Thus,
The sum of the interior angles of the 15-gon will be:
Also
15-gon is regular, it means this total is shared in equal proportion among the 15 interior angles.
And
Each interior angle of the regular polygon will be:
Therefore, we conclude that:
- The sum of the interior angles of the 15-gon
- Each interior angle of the regular polygon
Keywords: regular polygon, 15-gon, triangle
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