Question

If a : b = c:d = e : f= 1:2 then (3a + 5c
7e): (3b + 5d + 7f) is equal to​

Answer 1

Answer:

Step-by-step explanation:

let angle be x°

then it's complement is 5÷4x

5÷4x+x=90°

5x×1+x×4÷4=90°

9x÷4=90°

x=40°

5÷4x

5÷4×40°

50°

Check

50°+40°=90°

hope this helps

Step-by-step explanation:

please mark and brinlits

Answer 2

Answer:

answer is 1:2

hope you found it helpful