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Nutka1998 [239]
3 years ago
9

Can someone help me please

Mathematics
2 answers:
yuradex [85]3 years ago
6 0

Answer:

C

Step-by-step explanation:

The angle is the same  so they would both be 60 degrees.

Makovka662 [10]3 years ago
3 0

Answer:

c.  60 = (x + 45)

Step-by-step explanation:

the angles opposite each other when two lines cross. they are always equal.

in this example 60° and (x + 45)° are vertically opposite angles.

"vertical" refers to the vertex (where they cross), NOT up/down.

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I did the first one I need help on this that’s all
Alenkasestr [34]

Answer:

m<A = 70 deg

Step-by-step explanation:

The sum of the measures of the angles of a triangle is 180 deg. Add the three measures and set equal to 180. Solve for x. then use the value of x and the expression for m<A to find the measure of angle A.

m<A + m<B + m<C = 180

5x - 25 + 2x + 10 + 3x + 5 = 180

10x - 10 = 180

10x = 190

x = 19

m<A = 5x - 25 = 5(19) - 25 = 95 - 25 = 70

Answer: m<A = 70 deg

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