2/3 is your answer. 4 and 6 both divided by 2.
The length of the missing side of the triangle is 6 cm.
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Triangle</h3>
A triangle is a polygon with three sides and three angles. Types of triangles are isosceles, equilateral, obtuse and scalene triangle.
The perimeter of a triangle is the sum of all the sides of the triangle. Let x represent the missing length. Also, let the other sides be 3 cm and 10 m.
Hence:
Perimeter = x + 3 + 10
19 = x + 13
x = 6 cm
The length of the missing side of the triangle is 6 cm.
Find out more on Triangle at: brainly.com/question/23945265
Answer:
d. (9,-260°)
Step-by-step explanation:
100° = 100-360 = -260°