9.3 Special Right Triangles

Which is the exact value of a?

• $14\sqrt{2}$

• $2\sqrt{14}$

• $142$

• $20$

• 19.79898987

Answer explanation

What is the length of b?

Answer explanation

What is the length of b?

• $12$

• $12\sqrt{3}$
  

• $6\sqrt{3}$

• $8.49$

Answer explanation

Find the area of the rectangle. Round your final answer to the nearest whole number. Do not use units.

Answer explanation

Find the area of an isosceles trapezoid if the bases have lengths 12 cm and 18 cm, and the base angles have measure 60 degrees. Round to the nearest whole number. Do not use units.

Answer explanation

Find the area of triangle ABC. Round your final answer to the nearest whole number. Do not use units.

Answer explanation