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xz_007 [3.2K]
3 years ago
15

Find the shortest distance from A to C in the diagram below.

Mathematics
1 answer:
Lapatulllka [165]3 years ago
8 0

Answer:

The shortest distance from A to C is AC=5\sqrt{13}\ units

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

The shortest distance from A to C is the hypotenuse of the right triangle AYC

Applying the Pythagoras Theorem

AC^{2}=AY^{2} +YC^{2}

step 1

Find the length YC (hypotenuse of the right triangle YBC)

Applying the Pythagoras Theorem

YC^{2}=YB^{2} +BC^{2}

substitute the given values

YC^{2}=6^{2} +15^{2}

YC^{2}=261

YC=\sqrt{261}\ units

step 2

Find the shortest distance from A to C

AC^{2}=AY^{2} +YC^{2}

substitute the given values

AC^{2}=8^{2} +\sqrt{261}^{2}

AC^{2}=325

AC=\sqrt{325}\ units

AC=5\sqrt{13}\ units

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