taylord4230
23.07.2021 •
Mathematics
#16 What is the value of x?
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Ответ:
x = 25 , x = 136
Step-by-step explanation:
(15)
The opposite angles of a cyclic quadrilateral are supplementary , sum to 180°
3x + 105 = 180 ( subtract 105 from both sides )
3x = 75 ( divide both sides by 3 )
x = 25
(16)
The chord- chord angle is half the sum of the arcs intercepted by the angle and its vertical angle, then
x =
(VW + UX) = 
(115 + 157) = 
× 272 = 136
Ответ:
Step-by-step explanation:
144 = m - 98
m = 144 + 98
m = 242