That's the formula we've seen for the area of a triangle in space.

这就是空间三角形的面积公式。

youdao

Who knows how to calculate the area of a triangle, please raise your hand.

谁知道如何计算三角形的面积，请举手。

youdao

The area of a triangle is equal to half the product of any side and the altitude on that side.

三角形的面积等于任何一边与那边上的高的乘积的一半。

youdao

Turkey's actions deprived the coalition with a mechanized thrust into the Sunni Triangle area of Iraq-a powerful thrust that could have done much to inhibit the development of the insurgency there.

CENTERFORSECURITYPOLICY: Turkey's cozy business with Iran

The Sunni Triangle is a strategic area of hundreds of square miles in central Iraq, includes Fallujah, Ramadi, Baghdad, the whole Anbar area.

CNN: Professor: Insurgency 'has grown deeper roots'

Like Austin, Raleigh is close to a prestigious state university and a profusion of high-tech jobs in the Research Triangle area.

FORBES: America's Fastest-Growing Cities