Answer:
The length of the corresponding side is 2.5 cm
Step-by-step explanation:
∵ The 2 Δ are similar
∴ Their sides are proportional
∵ The area of first Δ 16 cm²
∵ The area of second Δ 25 cm²
∵ One side of first Δ 2 cm
∵ From similarity 
∴ 
∴ 
∴ 
∴
cm
Answer:
x=28/6
Step-by-step explanation:
0.6x=2.8
0.6x*10=2.8*10
6x=28
6x/6=28/6
x=28/6
Answer:
Step-by-step explanation:
<u>Full surface area of the rectangular prism is:</u>
- S = 2(ab + bc + ac)
- S = 2(6*5 + 6*4 + 5*4) = 148 ft²
<u>Cost of the wallpaper:</u>
- $740 / 148 ft² = $5 per ft²