Lunettebjg Lunettebjg

28-05-2020
Mathematics

contestada

30 points easy question
Find the value of x in the isosceles triangle shown below.
X=18
X=10
X=9
X=square root 369

30 points easy question Find the value of x in the isosceles triangle shown below X18 X10 X9 Xsquare root 369 class=

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TheLazyNobita TheLazyNobita

28-05-2020

Answer:

18

Step-by-step explanation:

The altitude = 12

Half of base = x/2

By pythagoras theorem:

(x/2)² = 15² - 12²

x²/4 = 225 - 144

x²/4 = 81

x² = 324

x = 18

Answer Link

23-06-2020

Answer:

18

Step-by-step explanation:

Answer Link

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