Answer:
How can I help you?
Step-by-step explanation:
I will try my hardest and best to help you.
(p.s. I just saw your profile and most of the questions include pictures, on my end, it says that these pics are blocked. So, try asking the question without having to take a picture, instead, just type the question out. (and include the choices, if there are any))
The three answers you have are correct. The last fourth answer is coincidentally "angle 4". If another number other than '4' was in the diagram, then you would label it as angle X (replace X with that number in question).
note: you can say "angle 4" or you can use the angle markers as you have been doing. It's probably best to stay consistent.
Answer:
The surface area of the model pyramid is 
Step-by-step explanation:
we know that
The surface area of the pyramid is equal to
where
B is the area of the base of the pyramid
LA is the lateral surface of the pyramid
<em>Find the area of the base B</em>
-----> is a square
<em>Find the lateral surface area of the pyramid LA</em>
we know that
The lateral surface area is equal to the area of its four triangular faces
![LA=4[\frac{1}{2}(11)(15)]=330\ in^{2}](https://tex.z-dn.net/?f=LA%3D4%5B%5Cfrac%7B1%7D%7B2%7D%2811%29%2815%29%5D%3D330%5C%20in%5E%7B2%7D)
<em>Find the surface area of the pyramid</em>
Substitute the values
Answer:
$13.75 per scarf
Step-by-step explanation:
Divide
