Answer:

Step-by-step explanation:
• A rational number is a number which can have a denominator i.e fraction, integers [ have denominator of 1 ]
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Answer:DC=7
Step-by-step explanation:
As it is written △ABC = △DBC. So the corresonding legs (the legs which are equal ) are as follows:
AC=DC AB=DB BC= BC
So DC=7 the same like AC
K would be the 180 anti clock and up to
Prism A 4x1x2=8
prism B 8x2x4=64
8/64 is the ratio, simplified would be 1/8