A stack of 20 coins contains only nickels and
1 answer:
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Answer:
The area of the triangle is 10.92 cm².
Step-by-step explanation:
The formula for the area of a triangle is
where b is the length of the base and h is the height. We know that b = 2.8 and h = 7.8, so you would substitute into the formula:
cm²
K=1/3
simplify each bracket, put all numbers on the left hand side, equal it to 0 and solve for k
