Answer:
∠H = 120
Step-by-step explanation:
See the attached figure
HALT is a parallelogram
So, angles H and T are supplementary.
∠H = 2x + 60 and ∠T = x + 30
∠H + ∠T = 180
∴ 2x + 60 + x + 30 = 180
∴ 3x + 90 = 180
∴ 3x = 180 - 90 = 90
∴ x = 90/3 = 30
So, ∠H = 2x + 60 = 2 * 30 + 60 = 60 + 60 = 120
Answer:
(6,4)
Step-by-step explanation:
(4+2,7-3)=(6,4)
Hello there!
First you had to solving by the fractions parts.

Then you reducing by the fraction parts of 12/9.

And finally, you simplify by the fraction parts of 4/3.

Solution by Formulas
Applying the fractions formula for addiction.



Simplifying 108/81 and the answer is

Hope this helps!
Thank you for posting your question at here on Brainly.
-Charlie
The surface area of the cylinder should be 1130.97. I found this by using the formula a=2πrh+2πr2.
Good luck my bud.
<u>Step-by-step explanation:</u>
To prove:

Identities used:
......(1)
........(2)
.......(3)
.......(4)
Taking the LHS:

Using identity 1:

Using identities 2 and 3:

Using identity 4:

As, LHS = RHS
Hence proved