9th class herons formula

A rhombus field has green grass for 20 cows to grass. If side of the rhombus is 52m and longer diagonal is 96m, how much area of the grass field will each cow be getting.

• 96 m²

• 98 m²

• 60 m²

• 120 m²

Tags

CCSS.6.G.A.1

"s" in the heron's formula = ?

• symmetry

• perimeter

• semi-perimeter

• square root

Tags

CCSS.6.G.A.1

In

 $\Delta\ ABC,\$  AB = AC and  $\angle$ B =  $50\degree$  , then  $\angle C\ =\$  ?

•  $40\degree$  

•  $50\degree$  

•  $80\degree$  

•  $130\degree$  

Tags

CCSS.8.G.A.5

If AB = QR, BC = PR and CA = PQ, then

• $\Delta\ ABC\ \cong\Delta PQR$

• $\Delta\ CBA\ \cong\Delta\ PRQ$

• $\Delta\ BAC\ \cong\ \Delta\ RPQ$

• $\Delta\ PQR\ \cong\Delta\ BCA$

Tags

CCSS.HSG.CO.B.7

The correct name or NAMES of the formula on this quiz?

• Hero's

• Heron's

• Heroine's

• Hermoine's

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

The perimeter of a triangle is 36cm and its sides are in the ration 3 : 4 : 5.  Then the sides are____

• 6 cm, 9 cm, 12 cm 
• 9 cm, 12 cm, 15 cm 
• 12 cm, 15 cm, 18 cm
• None of the above

Tags

CCSS.3.MD.D.8

If length of two equal sides of an ISOSCELES triangle is 5m each and its Semi perimeter is 9 m, the length of third side will be

• 5 m

• 6 m

• 7 m

• 8 m

Tags

CCSS.4.MD.A.3

Use Heron's Formula to find the Area.

• 50 m²

• 48 m²

• 60 m²

• 120 m²

Tags

CCSS.6.G.A.1

Sides of a Triangle are 5m, 12m and 13m. Find the area of the triangle.

• 20 sq m

• 30 sq m

• 25 sq m

• 35 sq m

Tags

CCSS.6.G.A.1

What is the semi-perimeter?

• 1/2 of the actual perimeter

• A circular object rotated 90 degrees on its axis

• sum of the sides

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