Answer:
Length of hypotenuse of given triangle
= sqrt(356) (exact value)
= 18.87 (to 2 decimal places)
Step-by-step explanation:
Using the pythagorean Theorem,
The hypotenuse
c = sqrt(a^2+b^2)
= sqrt(16^2+10^2)
10^2 are 100,
16^2 are 256.
100 + 256 are 356.
so, sqrt(356) are nearly 18.
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4
In a equilateral triangle, all angles are 60 degree, so 10x+20=60
10x=40
x=4
a. always positive
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