-4/3 is your awnser i hope its corect
The area of lens is 3.14 square yards.
Step-by-step explanation:
Given,
Circumference of lens = 6.28 yards
Circumference = 2πr

Dividing both sides by 6.28

Area of lens = πr²
Area of lens = 
Area of lens = 3.14 square yards
The area of lens is 3.14 square yards.
Keywords: area, circumference
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Answer:
ANSWER IN number8 IS C
ANSWER IN number9 IS B
Step-by-step explanation:
Hey!
The formula for finding area of a triangle is: (base × height) ÷ 2
The base is 4
The height is 12
12 × 4 = 48
48 ÷ 2 = 24

Answer:
C 117
Step-by-step explanation:
<2 = 63 vertical angles
<2 = <4 alternate interior angles
<4 + <7 = 180 straight line
63 +<7 = 180
subtract 64 from each side
<7 = 180-63
<7 = 117