Answer:
the 3rd one
Step-by-step explanation:
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An isosceles right triangle is composed of a right angle and two congruent acute angles. In this case, 90 + 2x = 180 where x is the acute angle. x is equal to 45 degrees. Using sine law, 8/sin 90 = y / sin 45 where y is the leg of the triangle. the leg's length is equal to 4 sqrt 2.
Answer:
26.88
Step-by-step explanation:start eight times four is 32
and than eight times six is 48 than add a zero and do four times six is 24
and four times five is twenty add it up and line up the decimal points
hope i helped !!