Answer:
Well you need a picture and we need to know Length Height and width!
Answer:
The length of the diagonal is x√10
Step-by-step explanation:
Here, we want to find the length of the diagonal
The diagonal will represent the hypotenuse of a triangle formed with the width and length of the triangle being the measure of the other sides
Mathematically, we then apply Pythagoras’ theorem to get this
we have this as that the square of the diagonal equals the sum of the squares of the two other sides
d^2 = x^2 + (3x)^2
d^2 = x^2 + 9x^2
d^2 = 10x^2
d = √(10x^2)
d = x√10
8. 1,728 i did 12×18÷2=108×32=345÷2= 1,728
72°
the sum of the exterior angles of a polygon = 360°
for a pentagon with 5 sides the
exterior angle = = 72°