Area of triangle

Which formula we use to find area for triangle if we know base and hight?

• 1/2 * a * b * sinC

• 1/2 *b* h

• S= (a+b+c)/2

Find the area of a triangle if its base is 8 cm and its height is 10 cm.

• 40 cm^2

• 80 cm^2

• 20 cm^2

What is SAS?

• Sausages and Salad

• Base and High

• Side Angle Side

Which formule do you use if you know 2 sides and angle?

• 1/2 *b *h

• 1/2 * a * b * sinC

• (a+b+c)/2

Find the area of a triangle if its height is 9 cm and the base is 12 cm.

• 54 cm^2

• 22

• 54

• 50 cm^2

Which formule do we use to find area of this triangle?

• 1/2 *b *h

• 1/2 * a * b * sinC

• (a+b+c)/2

Find the area of the triangle if two sides are known: a = 3, b = 4 and ϑ = 30 degrees

• 4

• 12

• 3