rina62
13.03.2020 •
Mathematics
Hullan's age is three times Thomas's age. The sum of their ages is 92. What is Thomas's age?
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Ответ:
23
Step-by-step explanation: You can start by setting this up as an equation like so,
X + 3(X) =92 where x is Thomas’ age and the 3x indicates Hullans age being 3 times greater than Thomas.
Combine the x’s
4(x) = 92
Divide by 4 X = 92/4
92/4 = 23, x = 23
Ответ:
then:
AB=AC
since
∠ABC=∠ACB
then
MB=LC
thus
ΔBMC=ΔBLC
thus
MC=BL
hence the correct answer is:
SAS (side angle side) postulate