Answer:
Using Pythagorean theory : a²+9²=15²
=> a²=225-81=144
=> a = √144 = 12
Step-by-step explanation:
Answer:
B or C
I forcibly pick C because it makes sense so just pick C
Step-by-step explanation:
U should know the area of rectangle is w*l
if we increase it by double or times 2 its area will be
A=2w*2wl
A=4wl
area would be 4 times of original one
Now u can get the answer
What how is this a problem and how are you in middle school
Answer: 7
Step-by-step explanation: I had this question before
