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  • 11-07-2022
  • Mathematics
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In the following diagrams calculate the
sides marked with letters x and y.
All dimensions are in cm.

In the following diagrams calculate the sides marked with letters x and y All dimensions are in cm class=

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  • 11-07-2022

Answer:

x=7.48 cm, y=6.94

Step-by-step explanation:

Start by finding the value of x.

Using the Pythagorean Theorem, [tex]13^{2}+x^{2} =15^{2}[/tex]

[tex]169+x^{2} =225\\x^2=56\\x=\sqrt{56}\\x=2\sqrt{14}[/tex]

Using this, we can again use the Pythagorean Theorem to find the value of y.

[tex]2.8^{2} +y^{2} =(2\sqrt{14} )^{2} \\7.84+y^{2} =56\\y^{2} =48.16\\y=\sqrt{48.16}[/tex]

(I rounded to two decimal places, not sure what is required here)

x=7.48 cm

y=6.94 cm

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