What is the area of a triangle with a base of 10 cm and a height of 6 cm?

AREA of a triangle = ½ × base × height = ½ × 10 × 6 = ½ × 60 = 30 cm². ASVAB Mathematics Knowledge tests area formulas. Strategy: memorize the triangle area formula (½ × base × height) — a common error is forgetting the ½ and getting 60 (which is the area of a rectangle with those dimensions). The triangle is half of that rectangle. Units for area are squared (cm²). Key formulas to know: rectangle = l × w; triangle = ½bh; circle = πr².