4. 66
5. 48
6. 60
7. 108
8. 60
Answer:
Step-by-step explanation:
For the second one the probability is 10
Answer:

Step-by-step explanation:



∠m=
(∠A+∠B)= 180-(70+40)
∠m= 70⇒ AB= AM⇒AB=18


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hope it helps...
have a great day!!
Answer:
The answer is x = -6
Step-by-step explanation:
Answer: 6cm
Step-by-step explanation:
Area of a triangle is 1/2bh
B= base
H= height
Area = 30cm
Substitute the values into the formula
Area= 1/2bh
30=1/2×10×h
30=5h
H=30/5
H= 6cm
Height of the triangle is 6cm