Monica has a triangular piece of fabric. The height of the triangle is 15 inches and the triangle's base is 10 inches. Monica says that the area of the fabric is 150 inches. What error did Monica make

a) Monica's error was she used the formula = Base × Height

This formula is wrong formula

b) The unit for area of a triangle is square inches not inches

Step-by-step explanation:

Monica has a triangular piece of fabric. The height of the triangle is 15 inches and the triangle's base is 10 inches. Monica says that the area of the fabric is 150 inches. What error did Monica make

The area of a triangle is = 1/2 × Base × Height

From the question

Base = 10 inches

Height = 15 inches

Area of the triangular fabric = 1/2 × 10 × 15

= 75 square inches

a) Monica's error was she used the formula = Base × Height

This formula is wrong formula

b) The unit for area of a triangle is square inches not inches

step-by-step explanation:

3-4

step-by-step explanation:

the answer is 3-4 because both 45 and 60 has a multiple of 15.

45/3=15

60/4=15

therefore the odds against selecting a red is 4-3