ceeceekennan98
ceeceekennan98 ceeceekennan98
  • 22-04-2020
  • Mathematics
contestada

Find the unknown side of the triangle below (round to the nearest tenth).

A. 20.5cm
B.5.4cm
C. 16cm
D. 210.5cm

Find the unknown side of the triangle below round to the nearest tenth A 205cm B54cm C 16cm D 2105cm class=

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laniyahbaker10
laniyahbaker10 laniyahbaker10
  • 22-04-2020
D, I think it’s D if it’s wrong I’m sorry to be honest I tried.
Answer Link
Zh1108
Zh1108 Zh1108
  • 22-04-2020

Answer:

A. 20.5

Step-by-step explanation:

We can use the Pythagorean theorem to solve this equation for the missing side length, X.

a^2 + b^2 = c^2

We have a and b, we just need c, the hypotenuse.

14^2 + 15^2 = c^2

196 + 225 = c^2

421 = c^2

Now, we will square both sides:

The answer is about 20.5

Answer Link

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