Hello!
If you add up the squares of the two legs, it will equal the square of the hypotenuse. As we already have the hypotenuse, we will subtract.
225-81=144
Now we find the square root.
√144=12
Therefore, the other leg is 12 cm long.
I hope this helps!
Step-by-step explanation:
B because the straight angle must be 180°
Answer:
Josh has played in 3 times as many as Lisa has.
Step-by-step explanation:
She mixed up multiplication and addition.
6+12=18
6*3=18
Answer:

Step-by-step explanation:

