1. 20 squared + 48 squared = 2704
square root of 2704 is 52. Answer: 52 inches.
2. -18 squared + 82 squared = 6400
square root of 6400 is 80 Answer: 80 inches
Hey there!!
They're called Inverse operation. Such as *multiplication and division* and *addition and subtraction*
Hope this helps. c:
So it would be 4x+108= 180 because it’s a straight line so x=18. For the second one id say A and D
You can use base ten blocks to find 2.16/ 3 by using 7 base ten blocks and 2 base one blocks.