Answer:
x = 15 units
Step-by-step explanation:
Here, base of triangle = x units & height = 19 units

Answer:
Perimeter is 17.07
Step-by-step explanation:
We know that DF = EF = 5 cm, since D and E are the midpoints of AC and AB, both of which are 10 cm in length.
We need to use the Pythagorean theorem to get the length of DE.

So the perimeter of DEF is 5 + 5 + 7.07 = 17.07
Answer:
write the equation as a binomial
Step-by-step explanation: