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anonymous

  • one year ago

Please help. I will MEDAL and FAN!!!!! Referring to the figure, on the right triangle shown, find the unknown side length. (If necessary, round to the neartest tenth.)

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  1. anonymous
    • one year ago
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    |dw:1434987008886:dw|

  2. anonymous
    • one year ago
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    @CallMeKiki @sugarplum15

  3. anonymous
    • one year ago
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    is that a right angled triangle ?

  4. anonymous
    • one year ago
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    No. It doesn't have the box in the corner

  5. anonymous
    • one year ago
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    its mentioned that its a right angled triangle

  6. anonymous
    • one year ago
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    use pythagoras

  7. anonymous
    • one year ago
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    have you been able to do ?

  8. anonymous
    • one year ago
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    So a^2 would be 8.

  9. anonymous
    • one year ago
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    And 20 would be c^2?

  10. anonymous
    • one year ago
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    \[a ^{2} = b ^{2} + c ^{2}\] replace a by 20, b by x and c by 8 \[(20)^{2} = (x)^{2} + (8)^{2}\]

  11. anonymous
    • one year ago
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    @OM14forever better now ?

  12. anonymous
    • one year ago
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    how do I find x

  13. anonymous
    • one year ago
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    20/8=

  14. anonymous
    • one year ago
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    is that what I should do

  15. anonymous
    • one year ago
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    \[x ^{2} = 20^{2} - 8^{2}\]

  16. anonymous
    • one year ago
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    so 12

  17. anonymous
    • one year ago
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    \[x ^{2}= 400 - 64\] \[x ^{2} = 336\] \[x = \sqrt{336} = 18.3\]

  18. anonymous
    • one year ago
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    nearest to tenth will be x= 18

  19. anonymous
    • one year ago
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    ok thanks

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spraguer (Moderator)
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