The lower half of a square pyramid is made of granite and the top half is made of limestone. Using the dimensions in the diagram, find the exposed surface area of the granite portion of the pyramid, including the granite base. 1,980 ft2 1,440 ft2 2,340 ft2 1,080 ft2

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step-by-step explanation:

well the answer to that is xoxoxo

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

d 600 because 15*10*2=300

300+300=600

step-by-step explanation: