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Leni [432]
3 years ago
7

Hey I need help please​

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
8 0

Answer:

1 I think

Step-by-step explanation:

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Can someone please help meeeee
kozerog [31]

Answer:

45°

Step-by-step explanation:

The angle with measure of 9x and the angle with measure of 3x are supplementary

9x + 3x = 180°

12x = 180 divide both sides by 12

x = 15

The angle with measure of 9x and angle a are supplementary as well

9x + a = 180

9×15 + a = 180

135 + a = 180 subtract 135 ftom both sides

a = 45°

3 0
3 years ago
In quadrilateral DBCA, name the angles which are consecutive with angle D.
lisov135 [29]

Answer: The consecutive angles with angle D are B and A.

Explanation:

It is given that DBCA is a quadrilateral. Since it is a quadrilateral it means the have 4 vertices and 4 angles D, B,C,A.

The angles are formed in the order of the figure name. If the quadrilateral name is DBCA, So the order of the angles are D,B,C,A. It means the angle immediate after D is B, the angle immediate after B is C, the angle immediate after C is A and the angle immediate after A is D.

If the quadrilateral name is DBCA it means the sides are DB, BC, CA and AD as shown in the figure.

Consecutive angles of D means the angle immediate before and after the angle D.

In the figure there are some types of quadrilateral and from the figure we can easily noticed that the consecutive angles with angle D are B and A.

3 0
3 years ago
Read 2 more answers
Answer for this one please
Andrej [43]
Y-12=28
Y=40 here you go
6 0
3 years ago
I need help on Area plz
nydimaria [60]

Answer:139 cm squared

Step-by-step explanation:

First separate it:

10x3

7x7

4x15

These are the 3 rectangles that make up this shape

Then multiply

10x3=30

7x7=49

4x15=60

Then add your answers

30+49+60=139cm squared

8 0
3 years ago
You have a jar with 91 raisins. How many are left after you have eaten some?
Lemur [1.5K]

Answer: you choke and die by the time you hit 41 left :)

5 0
3 years ago
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