3 years ago

Find the measure of the missing angle using the triangle angle sum theorm

Mathematics

1 answer:

klasskru [66]3 years ago

8 0

Answer:

31°

Step-by-step explanation:

The theorem states that all angle sums of any triangle add up to 180°.

128 + 21 = 149, and to find ?°, subtract 149 from 180 to get 31°.

You might be interested in

Plz help me I’ll give brainliest

Digiron [165]

Answer:

5/1

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

During a game, Dennis lost 50 points in the first round and then lost 75 more points in the second round. Write an addition expr

zysi [14]

Answer:

-125

Step-by-step explanation:

add 50 and 75 =125 make in negative

5 0

3 years ago

How do you write 0.05 times 10=0.5 as division

yaroslaw [1]

0.05 * 10 =0.5

If you want an equivalent expression as division simply divide both sides by either 0.05 or 10 and it'll be dividing:

10 = 0.5/0.05 OR 0.05 = 0.5/10

4 0

3 years ago

Please help me I don’t understand what I’m supposed to do ! Unit 1 - Triangle Congruence

Luba_88 [7]

Answer:

i dont either

Step-by-step explanation:

6 0

3 years ago

Lee ran a mile in 7 1/3 minutes. His friend Sam ran the same mile in 8 5/9 minutes. How many minutes faster did Lee run? (First

Anna [14]

Answer:

1 2/9 minutes faster

Step-by-step explanation:

Take the larger number and subtract the smaller number

8 5/9 minutes - 7 1/3 minutes

Get a common denominator

8 5/9 - 7 1/3 *3/3

8 5/9 - 7 3/9

1 2/9 minutes faster

5 0

3 years ago