Answer:
i cant read it can u do another photo
Step-by-step explanation:
Answer:
x = 21º
Step-by-step explanation:
∆ ABC is isosceles therefor
Angles B and C are congruent
(180 - 18)/2 = 162/2 = 81º
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∆ BCD is equilateral therefor all angles are 60º
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x = = 81 - 60
x = 21º
Answer:
7.5
Step-by-step explanation:
it is feometeic progression
r=0.5
A) -2.8 > -3.5 is true. There are infinite solutions.
B) -7.75 < -8.45 is false. There is no solution.
C) 6.52 < 6.5 is is false. There is no solution.
D) -11.1 > 10.7 is false. There is no solution.