What is the Area of △ABC, to the nearest tenth?
We apply the area of a triangle formula.
A = (base * height)/2
Here base of the triangle is 9.9 in. and height of the triangle is 2.2 in.
So plug in your information.
A = (9.9 * 2.2)/2 <-- using a calculator..
A = 21.78/2
A = 10.89 square in. <-- rounding to nearest tenth, we round up.
A = 10.9 square inches <-- answer..so choice G.
Area of a triangle = (1/2) x base x height
A = (1/2) x (2.2) x (9.9)
A = (1.1) x (9.9)
A = 10.89 = 10.9 (rounded to tenths)
0.5 • 9.9 • 2.2 (area = 1/2 [which is 0.5 as a decimal] times base times height)
2.2 x 9.9 = 21.78 base x height
21.78/2 = 10.89
10.9
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What is the Area of △ABC, to the nearest tenth?
We apply the area of a triangle formula.
A = (base * height)/2
Here base of the triangle is 9.9 in. and height of the triangle is 2.2 in.
So plug in your information.
A = (9.9 * 2.2)/2 <-- using a calculator..
A = 21.78/2
A = 10.89 square in. <-- rounding to nearest tenth, we round up.
A = 10.9 square inches <-- answer..so choice G.
Area of a triangle = (1/2) x base x height
A = (1/2) x (2.2) x (9.9)
A = (1.1) x (9.9)
A = 10.89 = 10.9 (rounded to tenths)
0.5 • 9.9 • 2.2 (area = 1/2 [which is 0.5 as a decimal] times base times height)
2.2 x 9.9 = 21.78 base x height
21.78/2 = 10.89
10.9