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Advocard [28]
4 years ago
7

Measure of angle A???

Mathematics
2 answers:
Rudik [331]4 years ago
4 0

Answer:

A

Step-by-step explanation:

The triangle shown has all 3 sides equal in length, hence it is an equilateral triangle.

A property of equilateral triangles is the angles are congruent.

The sum of the 3 angles = 180°, hence the measure of each angle is

\frac{180}{3} = 60° → A


andrezito [222]4 years ago
3 0
Letter A. Which is letter 60 degrees. You can tell since it’s not a right angle, which gets rid of 90 degrees. It’s not 30 degrees because that would be too small. And it’s not 180 degrees because it’s too big.
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Angle 1 and Angle 2 are complementary angles.
Andrej [43]

Answer:

p = 35

Step-by-step explanation:

Complementary angles sum to 90°

Sum the 2 given angles and equate to 90, that is

20 + 2p = 90 ( subtract 20 from both sides )

2p = 70 ( divide both sides by 2 )

p = 35

7 0
3 years ago
After the closing of the mill, the town of Sawyerville experienced a decline in its population.
vfiekz [6]

Step-by-step explanation:

P(t) = 12,000 (2)^(-t/15)

9,000 = 12,000 (2)^(-t/15)

0.75 = 2^(-t/15)

ln(0.75) = ln(2^(-t/15))

ln(0.75) = (-t/15) ln(2)

-15 ln(0.75) / ln(2) = t

t = 6.23

4 0
4 years ago
The theater class production is 75 minutes long. In the production, Leo is on stage for 48% of the 75 minutes. How many minutes
erastova [34]

Answer:

36 minutes is the answer!

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Please help, will mark Brainly and if you need help with anything I’ll help with any work you send
inessss [21]

Answer:

The first one is missing (d - 9) so it would be 5(d -9) or when you factor it out 5d - 45

In the second one (d + 7) is missing so it will be 8d(d + 7) so if you factor that out you will receive 8d^2 + 56

Step-by-step explanation:

3d^2 + 18d -21 =(3d -3)( d + 7)

3d^2 -30d +27 =(3d -3)(d - 9)

6 0
3 years ago
Use the diagram to complete the table by matching the Theorem with the angle relationship.
serious [3.7K]

Answer:

The Table with Correct reasons are as follows.

Step-by-step explanation:

The Table with Correct reasons are as follows

       Answer                                                  Angle Relationship

c. Corresponding Angles                       ∠ 1 ≅ ∠ 5

d. Same Side Interior                             ∠ 4 + ∠ 5 = 180

a. Alternate Exterior Angles                    ∠ 3 ≅ ∠ 6

b. Alternate Interior Angles                    ∠ 4 ≅ ∠ 5

c. Corresponding Angles                       ∠ 2 ≅ ∠ 6

6 0
3 years ago
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