Find the area of a triangle whose altitude and base are 15 cm and 10 cm, respectively.

A) \$75(cm)^2\$

B) \$79(cm)^2\$

C) \$76(cm)^2\$

D) \$74(cm)^2\$

Find the area of the triangle whose height is 36 cm and the base is 1/8th the length of the height.

A) \$81(cm)^2\$

B) \$8(cm)^2\$

C) \$18(cm)^2\$

D) \$80(cm)^2\$

Find the area of the equilateral triangle ABC, where AB = AC = BC = 8cm.

A) \$14\sqrt 3(cm) ^2\$

B) \$16\sqrt 3(cm)^2\$

C) \$14\sqrt 3(cm)^2\$

D) \$15\sqrt 3(cm)^2\$

Find the height of a triangle whose area of 420 cm² and a base of 60 cm.

A) \$11cm\$

B) \$14cm\$

C) \$10cm\$

D) \$18cm\$

Find the area of the scalene triangle ABC with the sides 8 cm, 6 cm and 4 cm.

A) \$sqrt(132)(cm)^2\$

B) \$sqrt(134)(cm)^2\$

C) \$sqrt(135)(cm)^2\$

D) \$sqrt(133)(cm)^2\$