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Anna35 [415]
3 years ago
9

Find the measure of the angles

Mathematics
1 answer:
umka2103 [35]3 years ago
3 0

Answer:

measure of angle 1: 59 degrees. measure of angle 2: 121 degrees

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Can someone pled help me
Lapatulllka [165]

Answer:

Step-by-step explanation:Sorry but I don't think any of those answers are correct its impossible to solve that

6 0
3 years ago
In ΔABC, AC = BC, CD ⊥ AB with D ∈ AB , AB = 4 in, and CD = sqrt3 in. Find AC.
amid [387]
Check the picture below.

segments AC and BC are equal, that means that ABC is an isosceles triangle, with twin sides.  Now the twin sides make twin angles on the opposite side, namely the angles at A and B are twins.

if the angles at A and B are twins, and CD is ⟂ to AB, there's only one possibility that can happen, and is if CD is an angle bisector at C.

an angle bisector like CD with twin angles on each side, will cut AB in two equal halves, therefore, if AB = 4, then AD = 2 and DB = 2.

8 0
3 years ago
True or false: the value of 3pi/2 is a solution for the equation 2sin^2 x-sin x-1 =0
Ede4ka [16]

The answer would be true, because the 2 on the bottom of the fraction would cancel out the 2 in the equation.

6 0
3 years ago
Determine whether the formula describes y as a function of x. y = -3x2 - 7x - 6 Explain your reasoning
AleksAgata [21]
Yes because when you have y = -3x²-7x -6 it is just the same as f(x) = -3x² -7x - 6
6 0
3 years ago
Need Help! Geometry Circles!
Georgia [21]
6. The lengths of two tangent lines to a circle are equal, which can be proved using similar triangles. The perimeter is 2*(3+2+5)=10.
14. c=40 degrees, since c and the given 40 angle correspond to the same arc on the circle. b=40, since b and the given angle are alternate interior angles of two parallel lines. d=180-40-40=100 degrees. a=180-d=180-100=80 degrees.
18. a is two times the given angle according to the inscribed angle theorem. a=2*20=40. b=180-a=140. c=90 since the tangent line is perpendicular to the diameter of the circle.
19. b=85, a=95. Connect the two points on the circle near 45 degrees on the diagram. b is the sum of the two angles formed (b is the exterior angle of the small triangle), and the sum is half the central angles they correspond to, which is 360-145-45=170. So b=170/2=85, and a=180-85=95 degrees.
20. Use power of a triangle. 5*(10+5)=6(6+x), x=6.5.


7 0
3 years ago
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