Answer:
602.9 cm²
Step-by-step explanation:
==>Given:
A hemisphere with radius of 8cm
π = 3.14
==>Required:
Total surface area of hemisphere
==>Solution:
The total surface area of the hemisphere (TSA) = Curved surface area of hemisphere (CSA)+ base area (BA)
If surface area of a sphere is given as 4πr², therefore, the area of a hemisphere would be ½ of 4πr² = 2πr²
CSA = 2πr²
Base area (BA) = area of circle = πr²
Thus, TSA = 2πr2 + πr2 = 3πr2
TSA of hemisphere = 3 × 3.14 × 8²
TSA = 3 × 3.14 × 64
TSA = 602.88
TSA of hemisphere = 602.9 cm² (approximated to 1 decimal place)
To draw a locus point you have to draw the half way line through the two points. You can do this by drawing the line bisector through AB points. Just open your compass to ¾ of the distance AB and then draw two arcs from both sides of your line. Once this is done draw the line passing through the two intersection points.
Hope this helps :)
9 + 1.34 + 1 2 (3.50 +1.74)
Step 1: add what is inside the parenthesis
9 + 1.34 + 1 2 (5.24)
Step 2: multiply what is inside the parenthesis by 12.
9 + 1.34 + 62.88
Step 3: Add all the numbers
73.22
answer
9 + 1.34 + 1 2 (3.50 +1.74) = 73.22
Answer:
Tv is 16 inches tall
Step-by-step explanation:
a²+b²=c²
30²+b²=34²
b²=1156-900
√b²=√256
b=16
