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Veseljchak [2.6K]
3 years ago
5

Given that BCA = 15° and mangle DCE = 38°, find ACE.

Mathematics
1 answer:
Olenka [21]3 years ago
6 0
A 37 is the answer okay

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THE MEASURE OF TWO ADJACENT ANGLES OF THE PARALLELOGRAM ARE IN THE RATIO OF 3:2. FIND THE MEASURE OF EACH OF THE ANGLES OF THE P
BaLLatris [955]

Answer:

The adjacent angles are: 72 and 108

Step-by-step explanation:

Given

Angle Ratio = 3 : 2

Required

Find the measure of each angle

Let the angles be x\ and\ y.

Such that:

x + y = 180 --- adjacent angles of a parallelogram

and

x : y = 3 : 2 --- given

Convert to fraction

\frac{x}{y} = \frac{3}{2}

Cross Multiply:

2x = 3y

Make x the subject:

x = \frac{3}{2}y

x + y = 180 becomes

\frac{3}{2}y + y = 180

Take LCM

\frac{3y + 2y}{2}= 180

\frac{5y}{2}= 180

y = \frac{2}{5} * 180

y = 0.4 * 180

y = 72

Recall that:

x = \frac{3}{2}y

x = \frac{3}{2} * 72

x = 1.5 * 72

x = 108

<em>Hence, the adjacent angles are: 72 and 108</em>

8 0
3 years ago
How does x/2-12=-14 I don’t understand where the negative comes from
goblinko [34]
Solve x by simplifying both sides of the equation & then isolating the variable x=-4 & the negative comes in from the -12
4 0
4 years ago
Plzz help will give 15 pts and brainliest!!!!!!!!
Helga [31]

Answer:

ummmmmmmm what ur question??

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is (-7/4) (-8/9)
kipiarov [429]
If you are saying (-7/4)*(-8/9) Then it is
1.55555555556
If you are saying something else please message me so I can help better.
5 0
3 years ago
(b)
Olenka [21]

Answer:

46student did not pass

Step-by-step explanation:

because did not pass on the lower grade

6 0
3 years ago
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