Answer:
im not sure
Step-by-step explanation:
If you multiply 48cm times 15cm,you get 720cm.Which would leave you with 60 left because 780 minus 720 equals 60.The height of the other base is 60cm.
Answer:
<u>Value</u><u> </u><u>is</u><u> </u><u>3</u><u> </u><u>-</u><u> </u><u>√</u><u>8</u>
Step-by-step explanation:

rationalise the denominator:

Let unknow be = a
(a+2)^2-a^2=56
a^2+4a+4-a^2=56
4a+4=56
4a=52
a=13
b=13+2
=15
Hence, the numbers are 13 and 15