Please help me to find the formula for this? Thank you!

Mathematics

2 answers:

solniwko [45]2 years ago

6 0

You'll find the width using area formula
l × w = a
a stands for area, l stands for length, w stands for width

From the question,
a = 756
l = 108

Find the width
l × w = a
108 × w = 756
w = 756/108
w = 7

The roof is 7 inches wide

ch4aika [34]2 years ago

3 0

Length X width = area. for this problem, just divide the area of 756 sq. inches by the length of 108 in. to find the width.

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What are the 3 angle measures in the triangle shown below

7nadin3 [17]

9514 1404 393

Answer:

B. 39°, 106°, 43°

Step-by-step explanation:

The sum of angle measures in a triangle is 180°. Then the sum of angle expressions will be 180.

(3x +1) +(11x -4) +(5x -7) = 180

19x -10 = 180 . . . . . collect terms

19x = 190 . . . . . . . . add 10

x = 10 . . . . . . . . . . . divide by 19

Then the three angle measures are ...

3·10 +1 = 31
11·10 -4 = 106
5·10 -7 = 43

The appropriate choice is ...

B. 31°, 106°, 43°

6 0

2 years ago

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tangare [24]

Answer:

The correct answer option is B. 21.

Step-by-step explanation:

We are given a figure where the line KL is intersecting another line MN such that angle from K to N is equal to the angle opposing it which is the angle measuring $(5x)$ .