Answer:
<A=67⁰
<B=22⁰
<C=42⁰
<h2>Mark me BRAINLIEST </h2>
A right rectangular pyramid when sliced vertically, the shape of the cross-section is known as Triangle.
<h3>What is A triangle?</h3>
This is known to be a kind of shape that is said to be in a closed form and it is also known to be a 2-dimensional shape that has 3 sides, 3 angles, and also 3 vertices.
Note that when the when the right rectangular pyramid is sliced vertically (down) by a plane passing through the of the pyramid, the new shape of the cross-section is a triangle.
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A right rectangular pyramid is sliced vertically (down) by a plane passing through the of the pyramid. What is the shape of the cross-section?
A. Rectangle
B. Pyramid
C. Triangle
D. Trapezoid
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Answer:
amplitude; 
Phase shift;
units right
Period;
Step-by-step explanation:
The given function is

This function is of the form;

The period is given by:

The period is given by:

The phase shift is given by;
or
units right.
Answer:
7.11
-7.1
Step-by-step explanation: