1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Mars2501 [29]
3 years ago
15

Show that angle a is equal to 90 degree​

Mathematics
1 answer:
emmasim [6.3K]3 years ago
6 0
Angle a is a right angle and all right angles equal 90°
You might be interested in
What is the distance between (-4,4) and (-7,3)
Alex787 [66]

Answer:

\sqrt{10}

Step-by-step explanation:

Using the distance formula, we see that the distance between (-4,4) and (-7,3) is \sqrt{10}.

4 0
3 years ago
Helppp pleaseeee!!!!!!!!!!!
kvv77 [185]

Step-by-step explanation:

i can't see ur question the pic is black can u resend

6 0
3 years ago
Read 2 more answers
the combined area of two squares is 45 square centimetres each side is twice as long as a side of the other square what length o
Ostrovityanka [42]

Answer:

Let the side of  one square be x.    Area = x*x = x²

Then the side of other square  would be 2x ,   Area = 2x*2x = 4x²

Combined area = x² + 4x²  = 5x²

This combined area = 45 cm²

you simplify

Therefore  5x²  = 45   Divide both sides by 5

                 x²  =  45/5

                 x²  = 9        Take square root of both sides

                 x   =  √9

                 x  = 3

Length of larger square is 2x  = 2*3 = 6 cm

Length of larger square = 6cm

Step-by-step explanation:

4 0
3 years ago
The lengths of the sides of a triangle are 5, 12, and 13. What is the length of the altitude drawn to the side with length equal
mario62 [17]

Answer:  using  A= bh/2   THe height is 9.23

Step-by-step explanation:  First, with the Right Angle at the bottom, usr the sides to compute the area:  12*5=60

THen Imagine the side=13 as the base, so you have  b=13 for the formula

use the formula A= bh/2

60 = 13h/2 ==> 2(60) =13h --> 120/13 = h

h = 9.23

5 0
3 years ago
Read 2 more answers
What is the inverse of A(r)=15+3r
mel-nik [20]

Answer:

A(r)=15-3r

Step-by-step explanation:

switch the sign of +3r to make it -3r

5 0
3 years ago
Other questions:
  • Translate the expression 5X -7 into words
    9·1 answer
  • 120/30=s/5 help plzzzz
    9·2 answers
  • Hello, im not sure where my teacher got 180 out of this scatter plot
    11·2 answers
  • What is 11.5 of 350?
    13·2 answers
  • The measures of the three of the interior angles of a quadrilateral are 60°, 110°, and 90°. What is the measure of the fourth an
    11·1 answer
  • The solution set for -2x^2+12x=0
    12·1 answer
  • COMPUTERS The byte is the fundamental unit of computer processing.
    14·1 answer
  • Can I have some help please​
    8·1 answer
  • Last one lol see picture.. will mark brainliest!!
    13·1 answer
  • HELP ME PLEASEEEE THANKUU!!! I REALLY NEED IT !!!​
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!