21 because a triangle is always going to equal 180 so add those then subtract and it’s 21
I’m not gonna play today at the same time
Answer:
Well t find the area of a triangle, you need to multiple Base x height. That gives you 43.56. Now you divide by 2. So the end product will give you 21.78. Those same rules apply to every time you are finding the area of a triangle.
Step-by-step explanation:
Answer:The fourth option
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