An equilateral triangle has sides of length 10 cm.
2 answers:
Answer:
a. 8.7cm
b. 43.5cm squared
Step-by-step explanation:
a. draw the triangle with a side length of 10cm, and measure the height which is 8.7cm.
b. formula to find the area of a triangle: (base into height) divided by 2 ((b x h) / 2)
the base is 10
the height is 8.7
(10 x 8.7)/2 = 87/2 = 43.5 cm squared
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Eight hundred seventy six thousand five hundred forty three.
Answer:
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Step-by-step explanation:
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The circumference formula is
C=Diameter x π=22 x π, the area formula is A=<span>π x R²
or R=</span><span>D/2=22/2=11
the answer is </span><span>d. C = 22π; A = 121π</span>
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