Find the surface area of the square pyramid

Step-by-step explanation:

surface area of a square base pyramid = base area + 4 ( triangular sides area)

where:

base = 11 m

side height length = 10 m

Surface area = 11² + 2(11)10

                     = 121 + 220

                     = 341 m²

4

step-by-step explanation:

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value