Answer:
que cantidad de ingereses genera un prestamo de 10000 dolares que se contrato el 1 de agosto de 2017 para reembolsarse el 1 de agosto de 2020, con interes simple del 10 % anua
I think the answer is the third one
We know that
in a right triangle
Applying the Pythagoras Theorem
c²=a²+b²
in this problem
c=√87 yd
a=√23 yd
b=?
so
b²=c²-a²-----> b²=(√87)²-(√23)²----> b²=87-23----> b²=64----> b=8 yd
the answer is
8 yd
The answer to the question is 1 and 3/4