3 years ago

In rectangle ABCD, AC = x + 10 and diagonal BD = 2x - 30. Find the value of x.

Mathematics

1 answer:

natka813 [3]3 years ago

4 0

set the equations equal to each other, diagonals are equal so. 2x - 30 = x + 10 . so x = 40

You might be interested in

Use the formula A = bh , where A is the area, b is the base length, and h is the height of the parallelogram, to solve this prob

ELEN [110]

A=bh
108=12(h)
h=a/b
h=108/12
h=9

5 0

3 years ago

DO 11. Find the slope of the line that passes through the points<br> (-4, 7/2) and (3, -21/10)

Evgen [1.6K]

Answer:

-4/5

Step-by-step explanation:

5 0

2 years ago

A square has an area of 81 yd^2. what is the length of each side

lara31 [8.8K]

Answer:

9 yards

Step-by-step explanation:

A square has 4 equal sides, this means the 2 sides we will multiply to get the area are going to be the same. Since it says 81 yards squared and the shape is a square, we can do the square root of 81 which is 9.

7 0

3 years ago

Read 2 more answers

Can you help me with this question? I am having difficulty identifying Terms

melomori [17]

Theres no question here

3 0

3 years ago

Brainliest plz helpppppp<br> 4.5-3(x+2.7)=7(8.1-4x)

Fofino [41]

X=2.412 is the correct answer

8 0

3 years ago