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Let x be the fifth number

⇔

⇔ 23.3 + x = 34
⇔ x = 10.7
Heres an equation: 126/3 = 42
A’= (10,1)
B’= (8,1)
C’= (9,5)
D’= (7,5)
hope this helps!
Octagon = 8-side polygon
<u>Find area of 1 triangle:</u>
Area of one side triangle = 60 ÷ 8 = 7.5 m²
<u>Given area and length, find height:</u>
Area of each triangle = 7.6 m²
Length of each triangle = 3m
Area = 1/2 x base x height
7.5 = 1/2 x 3 x height
Heigth = 5m
Answer: Slanted Height = 5 m