Pauley and Ishu are designing a triangular banner to hang in their school's gymnasium. They first sketch the design on paper. The triangle has a base
of 10.5 inches and a height of 7.5 inches. If 1 inch on the drawing is
equivalent to 3 feet on the actual banner, what will the area of the banner
be?

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the answer is b: 18

step-by-step explanation:

use the pythagorean theorem to .

a^2+b^2=c^2

plug 18 for "r"

the 2 legs are 18 and 24

18^2+24^2=c^2

324+576=c^2

900=c^2

c=30

30-12=18

18 is the radius

: )

step-by-step explanation: it is d