Step-by-step explanation:
Area of the octagon = 2(1+√2)8=309.02 units
Answer:
x greater than or equal to 12cm^2
Step-by-step explanation:
Answer:
12 units²
Step-by-step explanation:
The area (A) of a trapezoid is calculated as
A =
h (b₁ + b₂ )
where h is the perpendicular height and b₁, b₂ the parallel bases
Here h = 4 ( perpendicular distance between the bases ) and
b₁ = SR = 2, b₂ = TA = 4 , then
A =
× 4 × (2 + 4) = 2 × 6 = 12 units²
Answer is squareroot of 21 or 4.58 in decimal
by pythagorean theorem
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