Answer:
Polygon Name
Number of Interior Angles
Sum of Interior Angles = (n-2) x 180°
Triangle
3
180°
Quadrilateral
4
360°
<u><em> Pentagon </em></u>
<u><em> 5 </em></u>
<u><em> 540° </em></u>
Hexagon
6
720°
Step-by-step explanation:
Answer:

Step-by-step explanation:
Area of a triangle is given a half the product of base by the perpendicular height:

Given h=9cm, and b=2.9cm, the area is calculated as:

Hence, area of the triangle is 13.05 sq cm
Answer:
4
Step-by-step explanation:
half of 8 is 4 . a absolute value you halfing the number
Answer:
walks dogs for 3 hours on Saturday and 4 hours on
Sunday. She calculates her total pay to be $57.75.
Which equation could be used to check the reasonableness of her total?
Step-by-step explanation: concept