Answer:
AC=13, DE=24
Step-by-step explanation:
we find it using Pythagoras theorem, a²+b²=c²
note that 'c²' always represent the hypotenuse
for the first triangle,
5²+12²=25+144=169, this is the square form
√169=13
AC=13
for the second,
10²+b²=26², we will rearrange the formula so that we could find 'b'
b²=26²-10²
b²=676-100
b²=576
b=√576
b=24
DE=24
i hope this helps
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