3 years ago

The question is in the picture

Mathematics

1 answer:

ryzh [129]3 years ago

8 0

Answer:

105

Step-by-step explanation:

Using basic algebra and the fact that the sum of all angles in a triangle always equals 180, we find that X = 21

Multiply 21 by three to find the value of 3x, which is 63

Add 12 to 63: 75

We also know that the angle of a straight line is also 180, so we subtract 75 from 180 to find ? which is 105

Hope this helps :)

You might be interested in

A waffle house offers 19 different types of syrups. If a customer can choose any number of syrups to have with their waffle, how

bogdanovich [222]

Answer:

Step-by-step explanation:

they all just have 19 or less

3 0

3 years ago

Lesson 1.2 practice a

sergejj [24]

we need a picture or a typed out question to help, sorry!

3 0

3 years ago

During the last year the value of your house decreased by 20%. If the value of your house is $265,000 today, what was the value

adelina 88 [10]

Answer: 331,250

Step-by-step explanation: hope it helps

4 0

3 years ago

Saadia divides a rectangle into 4 equal rows with squares in each row . What fractions of Saadia rectangle is covered by 4 squar

omeli [17]

Good morning,

Answer:

In the photo below :

The fraction of this rectangle that is covered by 4 squares is:

4/12

Step-by-step explanation:

look at the photo below.

8 0

4 years ago

The square pyramid pictured below has a surface area of

Evgen [1.6K]

Answer:

Step-by-step explanation:

Triangles

Area of a triangle = 1/2 b * slanted height

b = 6 m

h = 9 m

Area of 1 triangle = 1/2 * 6 * 9

Area of 1 triangle = 27

Area of all 4 triangles = 4*27 = 108 m^2

==================

Base area

The base is a square. All 4 sides are equal.

The formula for a square is s^2

Area = (6 m)^2

Area = 36 m^2

Total area

Total Area = 108 m^2 + 36 m ^2

Total Area = 144 m^2

8 0

3 years ago

Read 2 more answers