Answer:
90
Step-by-step explanation:
Multiple the number of all your options.
6 x 3 x 5 = 90
Answer:
20m
Step-by-step explanation:
5+3+1+7+4=20
Answer:

Step-by-step explanation:
- The lengths of the sides of a 30-60-90 triangle are in the ratio 1:2:√3.
- The lengths of the sides of a 45-45-90 triangle are in the ratio 1 : 1 : √2
- We can get the length of the longest side of the bottom triangle is 9×2÷√3 =

- And based on the theory shown on the 2nd step, we can get x (the length of the longest side of the upper triangle) is
x√2