Herons Formula

The perimeter of an equilateral triangle is 60m.The area is

• $100\sqrt{3}\ m^2$

• $20\sqrt{3}\ m^2$

• 15 $\sqrt{3}\ m^2$

Tags

CCSS.6.G.A.1

A rhombus shaped sheet with perimeter with 40cm and diagonal 12cm.Find the area of rhombus.

• 16 sq.cm

• 48 sq.m

• 400 sq.cm

• 40 sq.cm

Tags

CCSS.6.G.A.1

Find the area and perimeter of the right angle triangle whose hypotenuse is 5 cm and Base is 4 cm

• 6 cm² ,12 cm

• 12 cm² ,14 cm

• 4 cm², 6 cm

• 12 cm² ,6 cm

Tags

CCSS.6.G.A.1

The edges of a triangular board are 6 cm, 8 cm and 10 cm. The cost of painting it at the rate of 9 paise per cm2 is

• Rs. 2.00

• Rs. 2.16

• Rs. 2.48

• Rs. 3.00

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

If the area of an equilateral triangle is 16√3 cm2, then the perimeter of the triangle is

• 48 cm

• 24 cm

• 12 cm

• 36 cm

Tags

CCSS.6.G.A.1