N is the amount of sides
sum=13 times 180 =2340
Answer:
you would only need to add or multiply the numbers
Step-by-step explanation:
some of the equations could be-
95+ x =190
95 x 2 =190
x / 2 = 190
Answer:
75=5*3*5
Step-by-step explanation:
5*3=15
15*5=75
Answer:
x = 60°
Step-by-step explanation:
Special Angles :
sin = opposite divided by hypotenuse
opposite of angle 60° is square root of three
hypotenuse is two
Answer:
The slant height of a regular pyramid is 
Step-by-step explanation:
we know that
The lateral area of a regular pyramid is equal to

where
LA is the lateral area
P is the perimeter of the base
l is the slant height
we have


substitute in the formula and solve for l



