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
Alja [10]
3 years ago
6

Find the missing base (b1) of the trapezoid. Dimensions are in CM.

Mathematics
1 answer:
Alenkinab [10]3 years ago
5 0

Answer:

b1 = 9 cm

Step-by-step explanation:

The formula for area of a trapezoid is

A = 1/2 (b1+b2) *h

We know Area = 135 CM ^2, Height = 10 CM, b2 = 18 cm

Substituting these in

135 = 1/2 (b1+18) *10

Multiply 1/2*10

135 = 5 (b1+18)

Divide both side by 5

135/5 = 5/5 (b1+18)

27 = b1+18

Subtract 18 from each side

27-18 = b1+18-18

9 = b1

You might be interested in
What fraction is equal to the decimal 0.32?<br><br> Enter your answer in the box in simplest form.
AVprozaik [17]

The answer is 8/25 I believe


3 0
3 years ago
What is the measure of angle A
olya-2409 [2.1K]

Answer:

45

Step-by-step explanation:

h

7 0
2 years ago
2g+7=-4g+7+6g how do you solve that
nikklg [1K]
2g+7=-4g+7+6g \\\\\\ 2g+7=2g+7 \to True \ statement \\\\\\ 2g-2g=7-7 \\\\ \boxed{0=0}
7 0
3 years ago
Read 2 more answers
What does it mean when the point on a number line is open?
Aleks [24]
It means that value is not counted. it’s there but you don’t include it
3 0
3 years ago
Find each missing measure.
Neporo4naja [7]

Answer:

m<A = 84

AC = 9

Step-by-step explanation:

We can find the measure of Angle A by using the sum of interior angles of a triangle theorem.

48+48+A=180

96+A=180

A=84

We can then use the isosceles triangle similarity theorem and reason that since this is an isosceles triangle and one of the side lengths (AB) is 9, the other (AC) would also be 9.

3 0
3 years ago
Read 2 more answers
Other questions:
  • A family has a gross monthly income of $4395. Their monthly home mortgage payment is $1896. In general,
    5·1 answer
  • I really really need help
    5·1 answer
  • A football team lost 3 yards on their first play and 6 yards on their second play. How many total yards did they lose?
    11·1 answer
  • One rainy Saturday morning, Adam woke up to hear his mom complaining about the house being dirty. "Mom is always grouchy when it
    10·1 answer
  • Please help marking like brainlist
    12·2 answers
  • Josh gets paid at a rate of $10.73 per hour. He also gets paid time and a half for overtime (over 40 hours). If he worked 47 hou
    9·1 answer
  • What is equivalent to the given expression? 24−3⋅4÷2+6
    13·2 answers
  • 5) A bowl has 20 marbles in it, 4 red, 5 blue, 8, green, and 3 yellow. What is the probability of picking yellow? a. 3/20 b. 4/2
    8·2 answers
  • What is the area of a circle that is 11 millimeters?​
    10·1 answer
  • I'm struggling in this subject so if you'd give a step-by-step explanation that'd be great thx​
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!