Answer:
They use the same triangle but in different sizes to make the big triangle.
Step-by-step explanation:
If the equation is 3+x=10, x is equal to 7
Answer:
the missing color is red, the missing shape is a heart. आशा है कि मैंने मदद की.
I can't answer the first question because you need to draw lines from one number to another and I'm not sure how to type that. The answer to the second question is choice 1.
Its red because 25+7(1)=25+7=32, 25+7(2)=25+14=39, and so on