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2 years ago

7

A shape is made of 12 right triangles of equal size each triangle has a base of 4 cm and a height of 5 cm what is the total area

in square meters of the shape

1 answer:

Tanya [424]2 years ago

8 0

the formula for the area of a triangle is 1/2 (base x height) so 1/2 of 20 is 10 ,you do 10 times 12 which is 120. So the area is 120 sq cm.

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2 years ago

Find the surface area of the pyramid.

Monica [59]

Answer:

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2 years ago

Help plzzz!!Given P(A) = 0.78, P(B) = 0.65 and P(AUB) = 0.873, find the value of

Gelneren [198K]

<h3>Answer: 0.557</h3>

===================================================

Work Shown:

$P(A \cap B) = P(A) + P(B) - P(A \cup B)\\\\P(A \cap B) = 0.78 + 0.65 - 0.873\\\\P(A \cap B) = 0.557\\\\$

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Side note:

A similar formula is $P(A \cup B) = P(A) + P(B) - P(A \cap B)$

We can isolate the last term to get the first equation shown above.

5 0

2 years ago

Read 2 more answers