Herons Formula and Law of Cosines

Using Heron's Formula, find the Area.

• 56

• 28

• 24.2

• 104.4

Tags

CCSS.6.G.A.1

Using Heron's Formula, find the Area.

• 35

• 49

• 28.9

• 27.8

Tags

CCSS.6.G.A.1

Using Heron's Formula, find the Area.

• 91

• 52.3

• 57.4

• 53.3

Tags

CCSS.6.G.A.1

Using Heron's Formula, find the Area.

• 49.6 mi²

• 75 mi²

• 50.8 mi²

• 100 mi²

Tags

CCSS.6.G.A.1

Using Heron's Formula, find the Area.

• 35.9 km²

• 39 km²

• 36.7 km²

• 78.2 km²

Tags

CCSS.6.G.A.1

What is the Semi-perimeter.

• 42.1

• 21.1

• 14

• 84.2

Tags

CCSS.3.MD.D.8

What is the semi-perimeter?

• 1/2 of the actual perimeter

• A circular object rotated 90 degrees on its axis

• My dog's name

• The distance around a semi truck multiplied by the square root of the perimeter

Tags

CCSS.6.G.A.1

If the sides of a triangle are 8, 8, and 8, what is the semi-perimeter?

• 8

• 12

• 24

• 3.14149

Tags

CCSS.4.MD.A.3

If the sides of a triangle are 8, 8, and 8, what is the area?

• 8

• 15.58

• 27.71

• 62.91

Tags

CCSS.6.G.A.1

If the sides of a triangle are 12,5, and 2. What is the area?

• 12

• 40.65

• 19

• This triangle does not exist