18 What is the value of y? 10 2y + 4 10 + 2x 5
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Answer:
Step-by-step explanation:
we have a rectangle that measure 21 inches by 16 inches
to find the rectangle(which is the hypotenuse) we will use Pythagorean theorem
c^=a^2+b^2
c^=21^2+16^2=697
c= =26.40 which rounded to the nearest tenth =26