1x300x30x23x9C 1x300x30x23x9C

24-02-2018
Mathematics

contestada

One leg of a 45°-45°-90° triangle measures 9sqrt2 inches. What is the length of the hypotenuse?

A. 18 inches
B. 9sqrt2 inches
C. 9sqrt3 inches
D. 9 inches

Respuesta :

calculista calculista

24-02-2018

we know that
a=9√2
b=9√2
a=b---------- for having both angles of 45
c²=a²+b²-------> (9√2)²+(9√2)²------>(324)-----------> c=√324=18

the answer is the option A 18 inches

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