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the base of a triangle is 21 inches and the height is 12 inches which of these expressions correctly shows how to calculate the area of a triangle

a (21 x 12) divided by 2
b ( 21 + 12) x 2
c (21 + 12) divided by 2
d ( 21 x 12) x 2

Respuesta :

JSKQ

½ x 21 x 12=126

So the answer is a

mkim6926

Answer:

A.  (21 × 12) ÷ 2

Step-by-step explanation:

Use the area formula to find the area of the triangle. A = (b × h) ÷ 2

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