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Anastasy [175]
4 years ago
10

Nevermind! Has been answered.

Mathematics
1 answer:
Paul [167]4 years ago
6 0

Answer:

Ok that’s great.

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In triangle ΔABC, ∠C is a right angle and CD is the height to AB . Find the angles in ΔCBD and ΔCAD if: m∠A = α
hodyreva [135]

Answer:

Given:

m∠C = 90°, because ∠C is a right angle.

m∠D = 90°, because CD is the height to AB.

m∠A = α

Since the sum of angles in a triangle is 180°, therefore

m∠DBC + 90° + α = 180°

m∠DBC = 90° - α

Again, for the same reason,

m∠DCB + m∠DBC + 90° = 180°

m∠DCB + 90° - α + 90° = 180°

m∠DCB = α

For the same reason,

m∠ACD + 90° + α = 180°

m∠ACD = 90° - α

m∠ADC = 90° (by definition)

m∠CDB = 90° (by definition)

Answer:

m∠DBC = 90° - α

m∠DCB = α

m∠CDB = 90°

m∠ACD = 90° - α

m∠ADC = 90°

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Need help with this?
Julli [10]

Answer:

It's b, 45 degrees

Step-by-step explanation:

1) 180-90 = 90

20 90 divided by 2 = 45

7 0
3 years ago
Read 2 more answers
Write the integer represented by each point on the number line shown below. plsss helpp ME​
liraira [26]

You need to provide the number line

3 0
3 years ago
Find the LCM of 14 and 18 using prime factorizations.
Fantom [35]

Answer:

126

Step-by-step explanation:

14 = 2 * 7

18 = 2 * 3 * 3

Take any factors they both have and use that number only once (2)

Then multiply together: 2 * 7 * 3 * 3 = 126

8 0
3 years ago
A flat rectangular piece of aluminum has a perimeter of 62 inches. The length is 15
Salsk061 [2.6K]

Answer:

So, the required width of rectangular piece of aluminium is 8 inches

Step-by-step explanation:

We are given:

Perimeter of rectangular piece of aluminium = 62 inches

Let width of rectangular piece of aluminium = w

and length of rectangular piece of aluminium  = w+15

We need to find width i.e value of x

The formula for finding perimeter of rectangle is: Perimeter=2(Length+Width)\\

Now, Putting values in formula for finding Width w:

Perimeter=2(Length+Width)\\\\62=2(w+15+w)\\62=2(2w+15)\\62=4w+30\\62-30=4w\\4w=32\\w=\frac{32}{4}\\w=8

After solving we get the width of rectangular piece :w = 8

So, the required width of rectangular piece of aluminium is 8 inches

6 0
3 years ago
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