A rectangular pyramid has a height of 10 meters. The base measures 8 meters in length and 12 meters in width. Two different tria ngular cross sections are formed through the vertex and perpendicular to the base. What is the difference in the areas of the cross sections?
1 answer:
Step 1 find the a<span>rea of the first cross section area1=b1*h/2 b1=8 m h=10 m area1=6*10/2------> 30 m</span>² step 2 find the area of the second cross section area 2=b2*h/2 b2=12 m h=10 m area1=12*10/2------> 60 m² step 3 find <span>the difference in the areas of the cross sections </span>difference=60-30------> 30 m²the answer is 30 m²
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