The base of a triangle is 18 in. the height is 10 in. what is the area of the triangle?
a) 28 in2
b) 56 in2
c) 90 in2
d) 180 in2

C 90 In2

Step-by-step explanation:

To find the area of a triangle you have to do base times the height divided by two.

So first you would do 18*10=180

THen you would do 180/2=90

So the answer is 90 inches2

3x + 18 = 147°

step-by-step explanation:

3x + 18 = 147°, because the value of the central angle is equal to the value of the arc formed by it.

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