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Svetradugi [14.3K]
3 years ago
9

Are these right ???

Mathematics
1 answer:
sleet_krkn [62]3 years ago
8 0

Yes they are.

Perpendicular means to be at a 90 degree angle from the surface of whatever it is you are referencing to.

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In ∆ABC, m∠B=α. Find the measure of the angle, in degrees, between the altitudes dropped from the vertices A and C
Sergio [31]

The expression to find the value of the final angle of the triangle will be 180° - 40° - α.

<h3>How to solve the triangle?</h3>

Your information is incomplete as the triangle isn't attached. Therefore, an overview will be given.

Firstly, it's important to know that the total angle in a triangle is 180°. A triangle has three sides. In this case, angle B is given as α.

Let's assume that another angle is given as 40°. Therefore, the expression to find the value of the final angle will be 180° - 40° - α

Learn more about triangles on:

brainly.com/question/17335144

7 0
2 years ago
Find the area of the parallelogram.
Ivenika [448]

Answer:

132 cm

Step-by-step explanation:

22x6=132

7 0
3 years ago
How many dots are in the 4th step?
Mkey [24]

Answer:

32

Step-by-step explanation:

if you look at the diagram the dot goes up 1 each. It also makes another row which makes 4 rows total. Since 3 contains 7 dots and 3 rows we would do 8 in 4 rows. 8 x 4 is 32.

Hope this helped!

7 0
2 years ago
Read 2 more answers
What is the circumference of the following circle?
Annette [7]
The formula for a circumference of a circle is 2πr

2 × π × 25 = 157

so your answer is A 157in.

I hope I've helped!
3 0
3 years ago
Read 2 more answers
Need help with these 2 questions
MArishka [77]

Answer: 1. x= -12           2. x= 12

Step-by-step explanation:

1. 5(+3)=−45

5x+15−15=−45−15

5x= -60

5x/5 = -60/5

x = -60/5

x= -12

2. 1x/2−4=2

x/2 -4=22−4+4=2+4

/2=6

2⋅2=2⋅6

x=2⋅6

x= 12

8 0
3 years ago
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