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k0ka [10]
2 years ago
15

For each quadrilateral work out The sizes of angles a b c and d The value of a + b + c + d

Mathematics
1 answer:
Vika [28.1K]2 years ago
7 0

Answer:

A) (i) a = 95° (180 - 85), b = 85° (180 - 95), c = 85° (180 - 95), d = 95° (180 - 85)

A) (ii) a = 103° (180 - 77), b = 77° (180 - 103), c = 103° (180 - 77), d = 77° (180 - 103)

B) (i) 95 + 85 + 85 + 95 = 360°

B (ii) 103 + 77 + 103 + 77 = 360°

Tip: Angles on a straight line add to 180°

Hope this helps!

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8 0
3 years ago
Using the equation x squared minus c equals 0 , what value of c has 9 and -9 as solutions.
Svetach [21]

9514 1404 393

Answer:

  c = 81

Step-by-step explanation:

The equation x² -c = 0 can be factored as ...

  (x -√c)(x +√c) = 0

which has roots ±√c.

The roots are given as ±9, so we have ...

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3 0
2 years ago
Order the values from least to greatest
Irina-Kira [14]

Step-by-step explanation:

64 2/3 = 16

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8 0
3 years ago
Is -x equal to -1x?
LUCKY_DIMON [66]

Answer: yes!


Step-by-step explanation:

Any variable that doesn’t have an integer in front of it, it is implied that it is a (1). Ex: x or -x is the same as 1x or -1x

3 0
3 years ago
Read 2 more answers
Can anyone help please
NeTakaya

Answer:

x = 0, x = \frac{3}{2}

Step-by-step explanation:

Given

8x² - 12x = 0 ← factor out 4x from each term

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3 0
3 years ago
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