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ravenjade2395
12.02.2021 •
Mathematics
Mis the midpoint of JK. JM = x + 1 and JK = 20. Find the value
of x and MK.
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Ответ:
15 meters
Step-by-step explanation:
Denote points: C - cat, B - base of the tree, D - dog, F - Firefighter.
Consider triangle CBD. This triangle is right triangle with right angle CBD and m∠BCD=65°, DB=10 m. Then
Consider right triangle CBF. In this triangle angle CBF is right angle and m∠CFB=50°, then
Consider right triangle BDF. In this triangle angle FBD is right and by the Pythagorean theorem,