4 years ago

Find X. a. 23 b. 30 c. 40 d. 45

Mathematics

2 answers:

blondinia [14]4 years ago

7 0

Answer:

it's c

Step-by-step explanation:

geniusboy [140]4 years ago

5 0

Answer:

40°

Step-by-step explanation:

from the picture this is an isoscele triangle, 2 equal side (PQ=QR and angle P = angle R)

x + 10 = 2x - 30

10 + 30 = 2x - x

40 = x

------------------------------

check

40 + 10 = 2 * 40 - 30

40 = 2 * 40 - 30 - 10

40 = 40

the answer is good

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