Answer:
Do using Pythagoras theorem... Also before doing a question of height and distance always try to make the figure
Step-by-step explanation:
Use the two triangles ABC and ABD to first get the base and find the height of the ladder
Answer:
Step-by-step explanation:

Answer: 13)74
14)53
Step-by-step explanation:
To calculate it use pythagoras: a^2+b^2=c^2
7^2+10^2=49+100=149
calculate the square root:

so the diagonal is about 12.2 inches long
Practically anything above -8
Such as -7, 2, 15600, anything not under -7.9