HERON'S FORMULA

One side of an equilateral triangle is 4 cm.  The area of the triangle is _______

• 16 √3 cm²
• 8 √3 cm²
• 4 √3 cm²
• √3 cm²

Tags

CCSS.6.G.A.1

The perimeter of an equilateral triangle is 60 cm. Find the length of its sides.

• 30 cm
• 20 cm
• 15 cm
• 10 cm

Tags

CCSS.3.MD.D.8

The length of equal sides of an ISOSCELES RIGHT TRIANGLE is √2 cm. Find the length of its hypotenuse

• 4 cm

• 8 cm

• 2 cm

• None of the above

The area of ΔABC in which AB = AC = 4 cm and ∠A = 90° is ________

• 8 cm²
• 16 cm²
• 10 cm²
• 32 cm

Tags

CCSS.6.G.A.1

• ₹ 3255

• ₹ 32.55

• ₹ 32550

• None of the above

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 each side of an equilateral triangle is 6 cm, the semi perimeter will be

• 8 cm

• 9 cm

• 10 cm

• 11 cm

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

Which option is INCORRECT ?

Heron's Formula is used to find the area of triangle when

• Three sides are given

• Two sides & perimeter is given

• Height is given

• Two sides & semi perimeter is given

Tags

CCSS.6.G.A.1

Find the area of the given Triangle

• 4 sq.m

• 5 sq.m

• 6 sq.m

• 7 sq.m

Tags

CCSS.6.G.A.1