What is the area of a triangle with sides 8 and 10 cm long

Mathematics

2 answers:

7nadin3 [17]3 years ago

7 0

Answer:

40 cm

Step-by-step explanation:

Can I have brainliest?

kati45 [8]3 years ago

5 0

Answer:

40cm²

Step-by-step explanation:

To solve this, you need to use the formula:

Area = (base x height) ÷ 2

So,

Area = (8 x 10) ÷ 2

Area = 80 ÷ 2

Area = 40cm²

Hope this helps! :)

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jarptica [38.1K]

Answer:

55°, 70°, 55°

Step-by-step explanation:

Δ MHP is right triangle, therefore

m∠P = 90° - 35° = 55°

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3 years ago

If line a is perpendicular to line b and the slope of line a is 7 whats the slope of line b

amm1812

Answer:

If a line is perpendicular to another line, that means that the slope is completely opposite that of the original line. The first thing that we do to the slope is we negate the number which means that if we have a slope of $-7$ our slope because $7$ in this step. In our case our slope is $7$ so in this step it becomes $-7$ .

Moving onto the second part which is to get the reciprocal of the number which means that if we have $\frac{1}{2}$ then we would switch it to $2$ . In our case our number is $-7$ so we would make that into a fraction like this $-\frac{1}{7}$ .