4 years ago

I'm back I need help with both of these questions

1 answer:

7 0

1st
90+55+x=180 (Angles inside a triangle equal 180 degrees) Solve for x
x = 35 degrees

2nd
2 non-adjacent angle in a triangle is equal to the exterior angles, therefore

25 + x + 15 = 3x + 10 Solve for x
40 + x = 3x + 10
-10 -1x -1x -10

<u>30 = 2x</u>
2

x = 15 degrees
Therefore angle ABC is x + 15 where x + 15

Therefore angle ABC = 30 degrees

Who ever hand wrote in those degrees/equations didn't really think it out because < A + <B should be greater than 90 not less than 90

You might be interested in

What is 1/2b x 6/10 ?

Brut [27]

Answer:

the answer to this question is 2.4b

5 0

3 years ago

How do I simplify this (sinx)/(secx+1)

pochemuha

Answer:

Step-by-step explanation:

$\frac{sin~x}{sec~x+1} =\frac{sin~x}{\frac{1}{cos~x}+1 } =\frac{sin~x~cos~x}{1+cos~x} \\=\frac{sin~x~cos~x}{1+cos~x} \times \frac{1-cos~x}{1-cos~x} \\=\frac{sin~x~cos~x(1-cos~x)}{1-cos^2 x} \\=\frac{sin~x~cos~x(1-cos~x)}{sin^2x} \\=\frac{cos~x(1-cos~x)}{sin~x} \\=cos ~x(csc~x-cot~x)\\or\\=cot~x(1-cos~x)$

6 0

4 years ago

A cartographer is painting a spherical globe whose surface is 326. 7 sq. In. What is the maximum radius of the globe that the ca

zloy xaker [14]

Answer:

5.1 inches

Step-by-step explanation:

4 0

2 years ago

8 cm

Shalnov [3]

Answer:

Step-by-step explanation:

3 0

3 years ago

propose new names for the numbers 11 12 13 14 15 16 17 18 19 so at the naming scheme is consistent with the number 20 and above?

gregori [183]

Answer:

that is your answer 10.34

5 0

3 years ago