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Alexus [3.1K]
1 year ago
14

Find the area of a triangle with base 21 inches and the height 8 inches

Mathematics
1 answer:
ankoles [38]1 year ago
6 0

Answer:

84in²

Step-by-step explanation:

this is very easy

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For a quadrilateral to be a square, the diagonals must be ________________.
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Answer:

That bisect and are perpendicular

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6. Five years ago, Ross was N times as old as
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3 years ago
A mirror is in the shape of an isosceles right triangle and has a hypotenuse length of seven times the square root of two. What
frez [133]

The length of one of the legs  of an isosceles right triangle and has a hypotenuse length of seven times the square root of two is 7 units.

<h3>What is an Isosceles triangle?</h3>

Isosceles triangles are triangles that has two of it sides equal to each other. The base angles of an isosceles triangle are equal.

The  isosceles triangle is also a right angle triangle. The hypotenuse is the longest side of a right angle triangle.

Therefore,

hypotenuse = 7(√2)

let the length of the other legs = x

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c² = a² + b²

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49 × 2 = 2x²

98 = 2x²

x² = 98 / 2

x = √49

x = 7 units

learn more on isosceles triangle here: brainly.com/question/10412877

4 0
2 years ago
Fencing costs $10.15/ft. A customer purchases 8 3/8 ft of fencing for his yard. How much did the customer pay for the fencing? R
topjm [15]
The customer pays $85 because 10.15 multiplied by 8.375 equals 85.00625 or $85 hope that helps! 
4 0
3 years ago
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