alyssalopez9023
17.07.2019 •
Mathematics
Check my answers i think the special right triangle 30 -60 -90 would be used. for the height of the triangle i had got 10√3 cm. for the area i got 50√3 cm. the image of the question is down below, !
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Ответ:
To find the height, use trigonometry ratio (tan) of 60°
= tan α
plug in the numbers
= tan 60°
= √3
move 10 to the right side
height = 10√3
The height is 10√3 cm
THE AREA
To determine the area of a triangle, use the following formula
b stands for the base, h stands for the height
plug in the numbers
a = 1/2 × b × h
a = 1/2 × 10 × 10√3
a = 5 × 10√3
a = 50√3
The area is 50√3 cm²
Ответ:
Hi,
Circumference formula is:
2πr, where r is the radius of the circle. So:
2πr = 16π feet, therefore
Have you understood ?
Green eyes.