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3 years ago

The quadrilateral ABCD is a parallelogram. The value of a is?

Mathematics

1 answer:

Nataly_w [17]3 years ago

6 0

Step-by-step explanation:

in a parallelogram, opposite angles are equal..

so C is 4a + 22. and B is 6a - 12.

sum of interior angles in a quadrilateral = 360

4a + 22. + 6a - 12. + 4a + 22. + 6a - 12 = 360

20a + 20 = 360

20a = 340

a = 17

sum of angles on a straight line = 180

B + x = 180

6 ( 17) - 12 + x = 180

102 + × = 180

× = 180 - 102

× = 78

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nexus9112 [7]

Answer:

a. 72°

Step-by-step explanation:

The sum of angles in a triangle is 180°. The two base angles of an isosceles triangle (one with two congruent sides) are congruent, so we have ...

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3 years ago

If g(x) = x+1/ x-2 and h (x) =4 - x , what is the value of ( g*h) (-3)?

Lapatulllka [165]

Answer:

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Step-by-step explanation:

We are given the following two functions and we are to find the value of $g ( h ( - 3 ) )$ :

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Now substituting the value $x=-3$ in it:

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3 years ago

If 130 calories in 1/3 cup how many in 1/2 cup

Brrunno [24]

Hello.

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3 years ago

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BigorU [14]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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